21347450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 43657920

約数和(自身を除く): 22310470

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 437, 475, 575, 874, 950, 977, 1150, 1954, 2185, 4370, 4885, 9770, 10925, 18563, 21850, 22471, 24425, 37126, 44942, 48850, 92815, 112355, 185630, 224710, 426949, 464075, 561775, 853898, 928150, 1123550, 2134745, 4269490, 10673725, 21347450]

約数ペア:

[(1, 21347450), (2, 10673725), (5, 4269490), (10, 2134745), (19, 1123550), (23, 928150), (25, 853898), (38, 561775), (46, 464075), (50, 426949), (95, 224710), (115, 185630), (190, 112355), (230, 92815), (437, 48850), (475, 44942), (575, 37126), (874, 24425), (950, 22471), (977, 21850), (1150, 18563), (1954, 10925), (2185, 9770), (4370, 4885)]