21005885280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{44249}}^1$

素因数の和:44333

約数の個数: 192

約数和(自身を含む): 70652736000

約数和(自身を除く): 49646850720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 43, 46, 48, 60, 69, 80, 86, 92, 96, 115, 120, 129, 138, 160, 172, 184, 215, 230, 240, 258, 276, 344, 345, 368, 430, 460, 480, 516, 552, 645, 688, 690, 736, 860, 920, 989, 1032, 1104, 1290, 1376, 1380, 1720, 1840, 1978, 2064, 2208, 2580, 2760, 2967, 3440, 3680, 3956, 4128, 4945, 5160, 5520, 5934, 6880, 7912, 9890, 10320, 11040, 11868, 14835, 15824, 19780, 20640, 23736, 29670, 31648, 39560, 44249, 47472, 59340, 79120, 88498, 94944, 118680, 132747, 158240, 176996, 221245, 237360, 265494, 353992, 442490, 474720, 530988, 663735, 707984, 884980, 1017727, 1061976, 1327470, 1415968, 1769960, 1902707, 2035454, 2123952, 2654940, 3053181, 3539920, 3805414, 4070908, 4247904, 5088635, 5309880, 5708121, 6106362, 7079840, 7610828, 8141816, 9513535, 10177270, 10619760, 11416242, 12212724, 15221656, 15265905, 16283632, 19027070, 20354540, 21239520, 22832484, 24425448, 28540605, 30443312, 30531810, 32567264, 38054140, 40709080, 43762261, 45664968, 48850896, 57081210, 60886624, 61063620, 76108280, 81418160, 87524522, 91329936, 97701792, 114162420, 122127240, 131286783, 152216560, 162836320, 175049044, 182659872, 218811305, 228324840, 244254480, 262573566, 304433120, 350098088, 437622610, 456649680, 488508960, 525147132, 656433915, 700196176, 875245220, 913299360, 1050294264, 1312867830, 1400392352, 1750490440, 2100588528, 2625735660, 3500980880, 4201177056, 5251471320, 7001961760, 10502942640, 21005885280]

約数ペア:

[(1, 21005885280), (2, 10502942640), (3, 7001961760), (4, 5251471320), (5, 4201177056), (6, 3500980880), (8, 2625735660), (10, 2100588528), (12, 1750490440), (15, 1400392352), (16, 1312867830), (20, 1050294264), (23, 913299360), (24, 875245220), (30, 700196176), (32, 656433915), (40, 525147132), (43, 488508960), (46, 456649680), (48, 437622610), (60, 350098088), (69, 304433120), (80, 262573566), (86, 244254480), (92, 228324840), (96, 218811305), (115, 182659872), (120, 175049044), (129, 162836320), (138, 152216560), (160, 131286783), (172, 122127240), (184, 114162420), (215, 97701792), (230, 91329936), (240, 87524522), (258, 81418160), (276, 76108280), (344, 61063620), (345, 60886624), (368, 57081210), (430, 48850896), (460, 45664968), (480, 43762261), (516, 40709080), (552, 38054140), (645, 32567264), (688, 30531810), (690, 30443312), (736, 28540605), (860, 24425448), (920, 22832484), (989, 21239520), (1032, 20354540), (1104, 19027070), (1290, 16283632), (1376, 15265905), (1380, 15221656), (1720, 12212724), (1840, 11416242), (1978, 10619760), (2064, 10177270), (2208, 9513535), (2580, 8141816), (2760, 7610828), (2967, 7079840), (3440, 6106362), (3680, 5708121), (3956, 5309880), (4128, 5088635), (4945, 4247904), (5160, 4070908), (5520, 3805414), (5934, 3539920), (6880, 3053181), (7912, 2654940), (9890, 2123952), (10320, 2035454), (11040, 1902707), (11868, 1769960), (14835, 1415968), (15824, 1327470), (19780, 1061976), (20640, 1017727), (23736, 884980), (29670, 707984), (31648, 663735), (39560, 530988), (44249, 474720), (47472, 442490), (59340, 353992), (79120, 265494), (88498, 237360), (94944, 221245), (118680, 176996), (132747, 158240)]