21497928

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{52691}}^1$

素因数の和:52717

約数の個数: 32

約数和(自身を含む): 56907360

約数和(自身を除く): 35409432

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 52691, 105382, 158073, 210764, 316146, 421528, 632292, 895747, 1264584, 1791494, 2687241, 3582988, 5374482, 7165976, 10748964, 21497928]

約数ペア:

[(1, 21497928), (2, 10748964), (3, 7165976), (4, 5374482), (6, 3582988), (8, 2687241), (12, 1791494), (17, 1264584), (24, 895747), (34, 632292), (51, 421528), (68, 316146), (102, 210764), (136, 158073), (204, 105382), (408, 52691)]