21848360

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5303}}^1$

素因数の和:5417

約数の個数: 32

約数和(自身を含む): 49645440

約数和(自身を除く): 27797080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 5303, 10606, 21212, 26515, 42424, 53030, 106060, 212120, 546209, 1092418, 2184836, 2731045, 4369672, 5462090, 10924180, 21848360]

約数ペア:

[(1, 21848360), (2, 10924180), (4, 5462090), (5, 4369672), (8, 2731045), (10, 2184836), (20, 1092418), (40, 546209), (103, 212120), (206, 106060), (412, 53030), (515, 42424), (824, 26515), (1030, 21212), (2060, 10606), (4120, 5303)]