21984176080

素因数分解:

$2^4\times 5^1\times {\mathrm{1847}}^1\times {\mathrm{148783}}^1$

素因数の和:150643

約数の個数: 40

約数和(自身を含む): 51141226752

約数和(自身を除く): 29157050672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1847, 3694, 7388, 9235, 14776, 18470, 29552, 36940, 73880, 147760, 148783, 297566, 595132, 743915, 1190264, 1487830, 2380528, 2975660, 5951320, 11902640, 274802201, 549604402, 1099208804, 1374011005, 2198417608, 2748022010, 4396835216, 5496044020, 10992088040, 21984176080]

約数ペア:

[(1, 21984176080), (2, 10992088040), (4, 5496044020), (5, 4396835216), (8, 2748022010), (10, 2198417608), (16, 1374011005), (20, 1099208804), (40, 549604402), (80, 274802201), (1847, 11902640), (3694, 5951320), (7388, 2975660), (9235, 2380528), (14776, 1487830), (18470, 1190264), (29552, 743915), (36940, 595132), (73880, 297566), (147760, 148783)]