21282612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 53804352

約数和(自身を除く): 32521740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 227, 454, 601, 681, 908, 1202, 1362, 1803, 2404, 2724, 2951, 3606, 5902, 7212, 7813, 8853, 11804, 15626, 17706, 23439, 31252, 35412, 46878, 93756, 136427, 272854, 409281, 545708, 818562, 1637124, 1773551, 3547102, 5320653, 7094204, 10641306, 21282612]

約数ペア:

[(1, 21282612), (2, 10641306), (3, 7094204), (4, 5320653), (6, 3547102), (12, 1773551), (13, 1637124), (26, 818562), (39, 545708), (52, 409281), (78, 272854), (156, 136427), (227, 93756), (454, 46878), (601, 35412), (681, 31252), (908, 23439), (1202, 17706), (1362, 15626), (1803, 11804), (2404, 8853), (2724, 7813), (2951, 7212), (3606, 5902)]