21486528

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{73}}^2$

素因数の和:171

約数の個数: 126

約数和(自身を含む): 71362824

約数和(自身を除く): 49876296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 73, 84, 96, 112, 126, 144, 146, 168, 192, 219, 224, 252, 288, 292, 336, 438, 448, 504, 511, 576, 584, 657, 672, 876, 1008, 1022, 1168, 1314, 1344, 1533, 1752, 2016, 2044, 2336, 2628, 3066, 3504, 4032, 4088, 4599, 4672, 5256, 5329, 6132, 7008, 8176, 9198, 10512, 10658, 12264, 14016, 15987, 16352, 18396, 21024, 21316, 24528, 31974, 32704, 36792, 37303, 42048, 42632, 47961, 49056, 63948, 73584, 74606, 85264, 95922, 98112, 111909, 127896, 147168, 149212, 170528, 191844, 223818, 255792, 294336, 298424, 335727, 341056, 383688, 447636, 511584, 596848, 671454, 767376, 895272, 1023168, 1193696, 1342908, 1534752, 1790544, 2387392, 2685816, 3069504, 3581088, 5371632, 7162176, 10743264, 21486528]

約数ペア:

[(1, 21486528), (2, 10743264), (3, 7162176), (4, 5371632), (6, 3581088), (7, 3069504), (8, 2685816), (9, 2387392), (12, 1790544), (14, 1534752), (16, 1342908), (18, 1193696), (21, 1023168), (24, 895272), (28, 767376), (32, 671454), (36, 596848), (42, 511584), (48, 447636), (56, 383688), (63, 341056), (64, 335727), (72, 298424), (73, 294336), (84, 255792), (96, 223818), (112, 191844), (126, 170528), (144, 149212), (146, 147168), (168, 127896), (192, 111909), (219, 98112), (224, 95922), (252, 85264), (288, 74606), (292, 73584), (336, 63948), (438, 49056), (448, 47961), (504, 42632), (511, 42048), (576, 37303), (584, 36792), (657, 32704), (672, 31974), (876, 24528), (1008, 21316), (1022, 21024), (1168, 18396), (1314, 16352), (1344, 15987), (1533, 14016), (1752, 12264), (2016, 10658), (2044, 10512), (2336, 9198), (2628, 8176), (3066, 7008), (3504, 6132), (4032, 5329), (4088, 5256), (4599, 4672)]