21278784

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 84

約数和(自身を含む): 59612784

約数和(自身を除く): 38334000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 152, 192, 228, 304, 307, 361, 456, 608, 614, 722, 912, 921, 1083, 1216, 1228, 1444, 1824, 1842, 2166, 2456, 2888, 3648, 3684, 4332, 4912, 5776, 5833, 7368, 8664, 9824, 11552, 11666, 14736, 17328, 17499, 19648, 23104, 23332, 29472, 34656, 34998, 46664, 58944, 69312, 69996, 93328, 110827, 139992, 186656, 221654, 279984, 332481, 373312, 443308, 559968, 664962, 886616, 1119936, 1329924, 1773232, 2659848, 3546464, 5319696, 7092928, 10639392, 21278784]

約数ペア:

[(1, 21278784), (2, 10639392), (3, 7092928), (4, 5319696), (6, 3546464), (8, 2659848), (12, 1773232), (16, 1329924), (19, 1119936), (24, 886616), (32, 664962), (38, 559968), (48, 443308), (57, 373312), (64, 332481), (76, 279984), (96, 221654), (114, 186656), (152, 139992), (192, 110827), (228, 93328), (304, 69996), (307, 69312), (361, 58944), (456, 46664), (608, 34998), (614, 34656), (722, 29472), (912, 23332), (921, 23104), (1083, 19648), (1216, 17499), (1228, 17328), (1444, 14736), (1824, 11666), (1842, 11552), (2166, 9824), (2456, 8664), (2888, 7368), (3648, 5833), (3684, 5776), (4332, 4912)]