21508715930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{357347}}^1$

素因数の和:357830

約数の個数: 32

約数和(自身を含む): 41783986944

約数和(自身を除く): 20275271014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 463, 926, 2315, 4630, 6019, 12038, 30095, 60190, 357347, 714694, 1786735, 3573470, 4645511, 9291022, 23227555, 46455110, 165451661, 330903322, 827258305, 1654516610, 2150871593, 4301743186, 10754357965, 21508715930]

約数ペア:

[(1, 21508715930), (2, 10754357965), (5, 4301743186), (10, 2150871593), (13, 1654516610), (26, 827258305), (65, 330903322), (130, 165451661), (463, 46455110), (926, 23227555), (2315, 9291022), (4630, 4645511), (6019, 3573470), (12038, 1786735), (30095, 714694), (60190, 357347)]