21679320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1069}}^1$

素因数の和:1109

約数の個数: 96

約数和(自身を含む): 70491600

約数和(自身を除く): 48812280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1069, 1352, 1560, 1690, 2028, 2138, 2535, 3207, 3380, 4056, 4276, 5070, 5345, 6414, 6760, 8552, 10140, 10690, 12828, 13897, 16035, 20280, 21380, 25656, 27794, 32070, 41691, 42760, 55588, 64140, 69485, 83382, 111176, 128280, 138970, 166764, 180661, 208455, 277940, 333528, 361322, 416910, 541983, 555880, 722644, 833820, 903305, 1083966, 1445288, 1667640, 1806610, 2167932, 2709915, 3613220, 4335864, 5419830, 7226440, 10839660, 21679320]

約数ペア:

[(1, 21679320), (2, 10839660), (3, 7226440), (4, 5419830), (5, 4335864), (6, 3613220), (8, 2709915), (10, 2167932), (12, 1806610), (13, 1667640), (15, 1445288), (20, 1083966), (24, 903305), (26, 833820), (30, 722644), (39, 555880), (40, 541983), (52, 416910), (60, 361322), (65, 333528), (78, 277940), (104, 208455), (120, 180661), (130, 166764), (156, 138970), (169, 128280), (195, 111176), (260, 83382), (312, 69485), (338, 64140), (390, 55588), (507, 42760), (520, 41691), (676, 32070), (780, 27794), (845, 25656), (1014, 21380), (1069, 20280), (1352, 16035), (1560, 13897), (1690, 12828), (2028, 10690), (2138, 10140), (2535, 8552), (3207, 6760), (3380, 6414), (4056, 5345), (4276, 5070)]