21107970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18041}}^1$

素因数の和:18067

約数の個数: 48

約数和(自身を含む): 59105592

約数和(自身を除く): 37997622

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18041, 36082, 54123, 90205, 108246, 162369, 180410, 234533, 270615, 324738, 469066, 541230, 703599, 811845, 1172665, 1407198, 1623690, 2110797, 2345330, 3517995, 4221594, 7035990, 10553985, 21107970]

約数ペア:

[(1, 21107970), (2, 10553985), (3, 7035990), (5, 4221594), (6, 3517995), (9, 2345330), (10, 2110797), (13, 1623690), (15, 1407198), (18, 1172665), (26, 811845), (30, 703599), (39, 541230), (45, 469066), (65, 324738), (78, 270615), (90, 234533), (117, 180410), (130, 162369), (195, 108246), (234, 90205), (390, 54123), (585, 36082), (1170, 18041)]