21125424

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25889}}^1$

素因数の和:25917

約数の個数: 40

約数和(自身を含む): 57786480

約数和(自身を除く): 36661056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25889, 51778, 77667, 103556, 155334, 207112, 310668, 414224, 440113, 621336, 880226, 1242672, 1320339, 1760452, 2640678, 3520904, 5281356, 7041808, 10562712, 21125424]

約数ペア:

[(1, 21125424), (2, 10562712), (3, 7041808), (4, 5281356), (6, 3520904), (8, 2640678), (12, 1760452), (16, 1320339), (17, 1242672), (24, 880226), (34, 621336), (48, 440113), (51, 414224), (68, 310668), (102, 207112), (136, 155334), (204, 103556), (272, 77667), (408, 51778), (816, 25889)]