21787072

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 84

約数和(自身を含む): 48774096

約数和(自身を除く): 26987024

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 41, 46, 64, 76, 82, 92, 152, 164, 184, 304, 328, 361, 368, 437, 608, 656, 722, 736, 779, 874, 943, 1216, 1312, 1444, 1472, 1558, 1748, 1886, 2624, 2888, 3116, 3496, 3772, 5776, 6232, 6992, 7544, 8303, 11552, 12464, 13984, 14801, 15088, 16606, 17917, 23104, 24928, 27968, 29602, 30176, 33212, 35834, 49856, 59204, 60352, 66424, 71668, 118408, 132848, 143336, 236816, 265696, 286672, 340423, 473632, 531392, 573344, 680846, 947264, 1146688, 1361692, 2723384, 5446768, 10893536, 21787072]

約数ペア:

[(1, 21787072), (2, 10893536), (4, 5446768), (8, 2723384), (16, 1361692), (19, 1146688), (23, 947264), (32, 680846), (38, 573344), (41, 531392), (46, 473632), (64, 340423), (76, 286672), (82, 265696), (92, 236816), (152, 143336), (164, 132848), (184, 118408), (304, 71668), (328, 66424), (361, 60352), (368, 59204), (437, 49856), (608, 35834), (656, 33212), (722, 30176), (736, 29602), (779, 27968), (874, 24928), (943, 23104), (1216, 17917), (1312, 16606), (1444, 15088), (1472, 14801), (1558, 13984), (1748, 12464), (1886, 11552), (2624, 8303), (2888, 7544), (3116, 6992), (3496, 6232), (3772, 5776)]