21555051960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13817341}}^1$

素因数の和:13817368

約数の個数: 64

約数和(自身を含む): 69639403680

約数和(自身を除く): 48084351720

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, 195, 260, 312, 390, 520, 780, 1560, 13817341, 27634682, 41452023, 55269364, 69086705, 82904046, 110538728, 138173410, 165808092, 179625433, 207260115, 276346820, 331616184, 359250866, 414520230, 538876299, 552693640, 718501732, 829040460, 898127165, 1077752598, 1437003464, 1658080920, 1796254330, 2155505196, 2694381495, 3592508660, 4311010392, 5388762990, 7185017320, 10777525980, 21555051960]

約数ペア:

[(1, 21555051960), (2, 10777525980), (3, 7185017320), (4, 5388762990), (5, 4311010392), (6, 3592508660), (8, 2694381495), (10, 2155505196), (12, 1796254330), (13, 1658080920), (15, 1437003464), (20, 1077752598), (24, 898127165), (26, 829040460), (30, 718501732), (39, 552693640), (40, 538876299), (52, 414520230), (60, 359250866), (65, 331616184), (78, 276346820), (104, 207260115), (120, 179625433), (130, 165808092), (156, 138173410), (195, 110538728), (260, 82904046), (312, 69086705), (390, 55269364), (520, 41452023), (780, 27634682), (1560, 13817341)]