21054708

素因数分解:

$2^2\times 3^3\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 55023360

約数和(自身を除く): 33968652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 137, 274, 411, 548, 822, 1233, 1423, 1644, 2466, 2846, 3699, 4269, 4932, 5692, 7398, 8538, 12807, 14796, 17076, 25614, 38421, 51228, 76842, 153684, 194951, 389902, 584853, 779804, 1169706, 1754559, 2339412, 3509118, 5263677, 7018236, 10527354, 21054708]

約数ペア:

[(1, 21054708), (2, 10527354), (3, 7018236), (4, 5263677), (6, 3509118), (9, 2339412), (12, 1754559), (18, 1169706), (27, 779804), (36, 584853), (54, 389902), (108, 194951), (137, 153684), (274, 76842), (411, 51228), (548, 38421), (822, 25614), (1233, 17076), (1423, 14796), (1644, 12807), (2466, 8538), (2846, 7398), (3699, 5692), (4269, 4932)]