21140652

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4673}}^1$

素因数の和:4722

約数の個数: 48

約数和(自身を含む): 54966240

約数和(自身を除く): 33825588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4673, 9346, 14019, 18692, 28038, 56076, 60749, 121498, 135517, 182247, 242996, 271034, 364494, 406551, 542068, 728988, 813102, 1626204, 1761721, 3523442, 5285163, 7046884, 10570326, 21140652]

約数ペア:

[(1, 21140652), (2, 10570326), (3, 7046884), (4, 5285163), (6, 3523442), (12, 1761721), (13, 1626204), (26, 813102), (29, 728988), (39, 542068), (52, 406551), (58, 364494), (78, 271034), (87, 242996), (116, 182247), (156, 135517), (174, 121498), (348, 60749), (377, 56076), (754, 28038), (1131, 18692), (1508, 14019), (2262, 9346), (4524, 4673)]