21407736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1613}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 61977600

約数和(自身を除く): 40569864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1613, 1659, 1896, 2212, 3226, 3318, 4424, 4839, 6452, 6636, 9678, 11291, 12904, 13272, 19356, 22582, 33873, 38712, 45164, 67746, 90328, 127427, 135492, 254854, 270984, 382281, 509708, 764562, 891989, 1019416, 1529124, 1783978, 2675967, 3058248, 3567956, 5351934, 7135912, 10703868, 21407736]

約数ペア:

[(1, 21407736), (2, 10703868), (3, 7135912), (4, 5351934), (6, 3567956), (7, 3058248), (8, 2675967), (12, 1783978), (14, 1529124), (21, 1019416), (24, 891989), (28, 764562), (42, 509708), (56, 382281), (79, 270984), (84, 254854), (158, 135492), (168, 127427), (237, 90328), (316, 67746), (474, 45164), (553, 38712), (632, 33873), (948, 22582), (1106, 19356), (1613, 13272), (1659, 12904), (1896, 11291), (2212, 9678), (3226, 6636), (3318, 6452), (4424, 4839)]