21221329220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:1070

約数の個数: 192

約数和(自身を含む): 55937634816

約数和(自身を除く): 34716305596

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 140, 146, 182, 211, 260, 292, 364, 365, 422, 455, 511, 730, 757, 844, 910, 949, 1022, 1055, 1460, 1477, 1514, 1820, 1898, 2044, 2110, 2555, 2743, 2954, 3028, 3785, 3796, 4220, 4745, 5110, 5299, 5486, 5908, 6643, 7385, 7570, 9490, 9841, 10220, 10598, 10972, 13286, 13715, 14770, 15140, 15403, 18980, 19201, 19682, 21196, 26495, 26572, 27430, 29540, 30806, 33215, 38402, 39364, 49205, 52990, 54860, 55261, 61612, 66430, 68887, 76804, 77015, 96005, 98410, 105980, 107821, 110522, 132860, 137774, 154030, 159727, 192010, 196820, 200239, 215642, 221044, 275548, 276305, 308060, 319454, 344435, 384020, 386827, 400478, 431284, 539105, 552610, 638908, 688870, 718393, 773654, 798635, 800956, 1001195, 1078210, 1105220, 1118089, 1377740, 1401673, 1436786, 1547308, 1597270, 1934135, 2002390, 2076451, 2156420, 2236178, 2803346, 2873572, 3194540, 3591965, 3868270, 4004780, 4152902, 4472356, 5028751, 5590445, 5606692, 7008365, 7183930, 7736540, 8305804, 10057502, 10382255, 11180890, 11660071, 14016730, 14367860, 14535157, 20115004, 20764510, 22361780, 23320142, 25143755, 28033460, 29070314, 41529020, 46640284, 50287510, 58140628, 58300355, 72675785, 81620497, 100575020, 116600710, 145351570, 151580923, 163240994, 233201420, 290703140, 303161846, 326481988, 408102485, 606323692, 757904615, 816204970, 1061066461, 1515809230, 1632409940, 2122132922, 3031618460, 4244265844, 5305332305, 10610664610, 21221329220]

約数ペア:

[(1, 21221329220), (2, 10610664610), (4, 5305332305), (5, 4244265844), (7, 3031618460), (10, 2122132922), (13, 1632409940), (14, 1515809230), (20, 1061066461), (26, 816204970), (28, 757904615), (35, 606323692), (52, 408102485), (65, 326481988), (70, 303161846), (73, 290703140), (91, 233201420), (130, 163240994), (140, 151580923), (146, 145351570), (182, 116600710), (211, 100575020), (260, 81620497), (292, 72675785), (364, 58300355), (365, 58140628), (422, 50287510), (455, 46640284), (511, 41529020), (730, 29070314), (757, 28033460), (844, 25143755), (910, 23320142), (949, 22361780), (1022, 20764510), (1055, 20115004), (1460, 14535157), (1477, 14367860), (1514, 14016730), (1820, 11660071), (1898, 11180890), (2044, 10382255), (2110, 10057502), (2555, 8305804), (2743, 7736540), (2954, 7183930), (3028, 7008365), (3785, 5606692), (3796, 5590445), (4220, 5028751), (4745, 4472356), (5110, 4152902), (5299, 4004780), (5486, 3868270), (5908, 3591965), (6643, 3194540), (7385, 2873572), (7570, 2803346), (9490, 2236178), (9841, 2156420), (10220, 2076451), (10598, 2002390), (10972, 1934135), (13286, 1597270), (13715, 1547308), (14770, 1436786), (15140, 1401673), (15403, 1377740), (18980, 1118089), (19201, 1105220), (19682, 1078210), (21196, 1001195), (26495, 800956), (26572, 798635), (27430, 773654), (29540, 718393), (30806, 688870), (33215, 638908), (38402, 552610), (39364, 539105), (49205, 431284), (52990, 400478), (54860, 386827), (55261, 384020), (61612, 344435), (66430, 319454), (68887, 308060), (76804, 276305), (77015, 275548), (96005, 221044), (98410, 215642), (105980, 200239), (107821, 196820), (110522, 192010), (132860, 159727), (137774, 154030)]