21117536

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3529}}^1$

素因数の和:3567

約数の個数: 48

約数和(自身を含む): 48036240

約数和(自身を除く): 26918704

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3529, 5984, 7058, 14116, 28232, 38819, 56464, 59993, 77638, 112928, 119986, 155276, 239972, 310552, 479944, 621104, 659923, 959888, 1242208, 1319846, 1919776, 2639692, 5279384, 10558768, 21117536]

約数ペア:

[(1, 21117536), (2, 10558768), (4, 5279384), (8, 2639692), (11, 1919776), (16, 1319846), (17, 1242208), (22, 959888), (32, 659923), (34, 621104), (44, 479944), (68, 310552), (88, 239972), (136, 155276), (176, 119986), (187, 112928), (272, 77638), (352, 59993), (374, 56464), (544, 38819), (748, 28232), (1496, 14116), (2992, 7058), (3529, 5984)]