21418722

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2347}}^1$

素因数の和:2384

約数の個数: 48

約数和(自身を含む): 51562080

約数和(自身を除く): 30143358

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2347, 3042, 4563, 4694, 7041, 9126, 14082, 21123, 30511, 42246, 61022, 63369, 91533, 126738, 183066, 274599, 396643, 549198, 793286, 823797, 1189929, 1647594, 2379858, 3569787, 7139574, 10709361, 21418722]

約数ペア:

[(1, 21418722), (2, 10709361), (3, 7139574), (6, 3569787), (9, 2379858), (13, 1647594), (18, 1189929), (26, 823797), (27, 793286), (39, 549198), (54, 396643), (78, 274599), (117, 183066), (169, 126738), (234, 91533), (338, 63369), (351, 61022), (507, 42246), (702, 30511), (1014, 21123), (1521, 14082), (2347, 9126), (3042, 7041), (4563, 4694)]