21987264

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:434

約数の個数: 112

約数和(自身を含む): 65544192

約数和(自身を除く): 43556928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 138, 156, 184, 192, 208, 276, 299, 312, 368, 383, 416, 552, 598, 624, 736, 766, 832, 897, 1104, 1149, 1196, 1248, 1472, 1532, 1794, 2208, 2298, 2392, 2496, 3064, 3588, 4416, 4596, 4784, 4979, 6128, 7176, 8809, 9192, 9568, 9958, 12256, 14352, 14937, 17618, 18384, 19136, 19916, 24512, 26427, 28704, 29874, 35236, 36768, 39832, 52854, 57408, 59748, 70472, 73536, 79664, 105708, 114517, 119496, 140944, 159328, 211416, 229034, 238992, 281888, 318656, 343551, 422832, 458068, 477984, 563776, 687102, 845664, 916136, 955968, 1374204, 1691328, 1832272, 2748408, 3664544, 5496816, 7329088, 10993632, 21987264]

約数ペア:

[(1, 21987264), (2, 10993632), (3, 7329088), (4, 5496816), (6, 3664544), (8, 2748408), (12, 1832272), (13, 1691328), (16, 1374204), (23, 955968), (24, 916136), (26, 845664), (32, 687102), (39, 563776), (46, 477984), (48, 458068), (52, 422832), (64, 343551), (69, 318656), (78, 281888), (92, 238992), (96, 229034), (104, 211416), (138, 159328), (156, 140944), (184, 119496), (192, 114517), (208, 105708), (276, 79664), (299, 73536), (312, 70472), (368, 59748), (383, 57408), (416, 52854), (552, 39832), (598, 36768), (624, 35236), (736, 29874), (766, 28704), (832, 26427), (897, 24512), (1104, 19916), (1149, 19136), (1196, 18384), (1248, 17618), (1472, 14937), (1532, 14352), (1794, 12256), (2208, 9958), (2298, 9568), (2392, 9192), (2496, 8809), (3064, 7176), (3588, 6128), (4416, 4979), (4596, 4784)]