21663876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7309}}^1$

素因数の和:7348

約数の個数: 48

約数和(自身を含む): 57310400

約数和(自身を除く): 35646524

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7309, 14618, 21927, 29236, 43854, 87708, 95017, 138871, 190034, 277742, 285051, 380068, 416613, 555484, 570102, 833226, 1140204, 1666452, 1805323, 3610646, 5415969, 7221292, 10831938, 21663876]

約数ペア:

[(1, 21663876), (2, 10831938), (3, 7221292), (4, 5415969), (6, 3610646), (12, 1805323), (13, 1666452), (19, 1140204), (26, 833226), (38, 570102), (39, 555484), (52, 416613), (57, 380068), (76, 285051), (78, 277742), (114, 190034), (156, 138871), (228, 95017), (247, 87708), (494, 43854), (741, 29236), (988, 21927), (1482, 14618), (2964, 7309)]