21210912

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1567}}^1$

素因数の和:1630

約数の個数: 72

約数和(自身を含む): 61641216

約数和(自身を除く): 40430304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1567, 1692, 2256, 3134, 3384, 4512, 4701, 6268, 6768, 9402, 12536, 13536, 14103, 18804, 25072, 28206, 37608, 50144, 56412, 73649, 75216, 112824, 147298, 150432, 220947, 225648, 294596, 441894, 451296, 589192, 662841, 883788, 1178384, 1325682, 1767576, 2356768, 2651364, 3535152, 5302728, 7070304, 10605456, 21210912]

約数ペア:

[(1, 21210912), (2, 10605456), (3, 7070304), (4, 5302728), (6, 3535152), (8, 2651364), (9, 2356768), (12, 1767576), (16, 1325682), (18, 1178384), (24, 883788), (32, 662841), (36, 589192), (47, 451296), (48, 441894), (72, 294596), (94, 225648), (96, 220947), (141, 150432), (144, 147298), (188, 112824), (282, 75216), (288, 73649), (376, 56412), (423, 50144), (564, 37608), (752, 28206), (846, 25072), (1128, 18804), (1504, 14103), (1567, 13536), (1692, 12536), (2256, 9402), (3134, 6768), (3384, 6268), (4512, 4701)]