21000888054

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{202309}}^1$

素因数の和:202469

約数の個数: 48

約数和(自身を含む): 46709332800

約数和(自身を除く): 25708444746

約数列:

[1, 2, 3, 6, 9, 18, 73, 79, 146, 158, 219, 237, 438, 474, 657, 711, 1314, 1422, 5767, 11534, 17301, 34602, 51903, 103806, 202309, 404618, 606927, 1213854, 1820781, 3641562, 14768557, 15982411, 29537114, 31964822, 44305671, 47947233, 88611342, 95894466, 132917013, 143841699, 265834026, 287683398, 1166716003, 2333432006, 3500148009, 7000296018, 10500444027, 21000888054]

約数ペア:

[(1, 21000888054), (2, 10500444027), (3, 7000296018), (6, 3500148009), (9, 2333432006), (18, 1166716003), (73, 287683398), (79, 265834026), (146, 143841699), (158, 132917013), (219, 95894466), (237, 88611342), (438, 47947233), (474, 44305671), (657, 31964822), (711, 29537114), (1314, 15982411), (1422, 14768557), (5767, 3641562), (11534, 1820781), (17301, 1213854), (34602, 606927), (51903, 404618), (103806, 202309)]