21383910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4483}}^1$

素因数の和:4549

約数の個数: 48

約数和(自身を含む): 56659824

約数和(自身を除く): 35275914

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4483, 4770, 8966, 13449, 22415, 26898, 40347, 44830, 67245, 80694, 134490, 201735, 237599, 403470, 475198, 712797, 1187995, 1425594, 2138391, 2375990, 3563985, 4276782, 7127970, 10691955, 21383910]

約数ペア:

[(1, 21383910), (2, 10691955), (3, 7127970), (5, 4276782), (6, 3563985), (9, 2375990), (10, 2138391), (15, 1425594), (18, 1187995), (30, 712797), (45, 475198), (53, 403470), (90, 237599), (106, 201735), (159, 134490), (265, 80694), (318, 67245), (477, 44830), (530, 40347), (795, 26898), (954, 22415), (1590, 13449), (2385, 8966), (4483, 4770)]