21575450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1791

約数の個数: 48

約数和(自身を含む): 45517920

約数和(自身を除く): 23942470

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1747, 2470, 3494, 6175, 8735, 12350, 17470, 22711, 33193, 43675, 45422, 66386, 87350, 113555, 165965, 227110, 331930, 431509, 567775, 829825, 863018, 1135550, 1659650, 2157545, 4315090, 10787725, 21575450]

約数ペア:

[(1, 21575450), (2, 10787725), (5, 4315090), (10, 2157545), (13, 1659650), (19, 1135550), (25, 863018), (26, 829825), (38, 567775), (50, 431509), (65, 331930), (95, 227110), (130, 165965), (190, 113555), (247, 87350), (325, 66386), (475, 45422), (494, 43675), (650, 33193), (950, 22711), (1235, 17470), (1747, 12350), (2470, 8735), (3494, 6175)]