21053202430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1\times {\mathrm{70627}}^1$

素因数の和:72940

約数の個数: 32

約数和(自身を含む): 40829199264

約数和(自身を除く): 19775996834

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2293, 4586, 11465, 22930, 29809, 59618, 70627, 141254, 149045, 298090, 353135, 706270, 918151, 1836302, 4590755, 9181510, 161947711, 323895422, 809738555, 1619477110, 2105320243, 4210640486, 10526601215, 21053202430]

約数ペア:

[(1, 21053202430), (2, 10526601215), (5, 4210640486), (10, 2105320243), (13, 1619477110), (26, 809738555), (65, 323895422), (130, 161947711), (2293, 9181510), (4586, 4590755), (11465, 1836302), (22930, 918151), (29809, 706270), (59618, 353135), (70627, 298090), (141254, 149045)]