21864928

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 45102960

約数和(自身を除く): 23238032

約数列:

[1, 2, 4, 8, 16, 32, 37, 59, 74, 118, 148, 236, 296, 313, 472, 592, 626, 944, 1184, 1252, 1888, 2183, 2504, 4366, 5008, 8732, 10016, 11581, 17464, 18467, 23162, 34928, 36934, 46324, 69856, 73868, 92648, 147736, 185296, 295472, 370592, 590944, 683279, 1366558, 2733116, 5466232, 10932464, 21864928]

約数ペア:

[(1, 21864928), (2, 10932464), (4, 5466232), (8, 2733116), (16, 1366558), (32, 683279), (37, 590944), (59, 370592), (74, 295472), (118, 185296), (148, 147736), (236, 92648), (296, 73868), (313, 69856), (472, 46324), (592, 36934), (626, 34928), (944, 23162), (1184, 18467), (1252, 17464), (1888, 11581), (2183, 10016), (2504, 8732), (4366, 5008)]