21305352

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 57196800

約数和(自身を除く): 35891448

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 79, 102, 136, 158, 204, 237, 316, 408, 474, 632, 661, 948, 1322, 1343, 1896, 1983, 2644, 2686, 3966, 4029, 5288, 5372, 7932, 8058, 10744, 11237, 15864, 16116, 22474, 32232, 33711, 44948, 52219, 67422, 89896, 104438, 134844, 156657, 208876, 269688, 313314, 417752, 626628, 887723, 1253256, 1775446, 2663169, 3550892, 5326338, 7101784, 10652676, 21305352]

約数ペア:

[(1, 21305352), (2, 10652676), (3, 7101784), (4, 5326338), (6, 3550892), (8, 2663169), (12, 1775446), (17, 1253256), (24, 887723), (34, 626628), (51, 417752), (68, 313314), (79, 269688), (102, 208876), (136, 156657), (158, 134844), (204, 104438), (237, 89896), (316, 67422), (408, 52219), (474, 44948), (632, 33711), (661, 32232), (948, 22474), (1322, 16116), (1343, 15864), (1896, 11237), (1983, 10744), (2644, 8058), (2686, 7932), (3966, 5372), (4029, 5288)]