21835760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3739}}^1$

素因数の和:3825

約数の個数: 40

約数和(自身を含む): 51477360

約数和(自身を除く): 29641600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3739, 5840, 7478, 14956, 18695, 29912, 37390, 59824, 74780, 149560, 272947, 299120, 545894, 1091788, 1364735, 2183576, 2729470, 4367152, 5458940, 10917880, 21835760]

約数ペア:

[(1, 21835760), (2, 10917880), (4, 5458940), (5, 4367152), (8, 2729470), (10, 2183576), (16, 1364735), (20, 1091788), (40, 545894), (73, 299120), (80, 272947), (146, 149560), (292, 74780), (365, 59824), (584, 37390), (730, 29912), (1168, 18695), (1460, 14956), (2920, 7478), (3739, 5840)]