21174920450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1733}}^1\times {\mathrm{7883}}^1$

素因数の和:9659

約数の個数: 48

約数和(自身を含む): 40684467456

約数和(自身を除く): 19509547006

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 1733, 3466, 7883, 8665, 15766, 17330, 39415, 43325, 53723, 78830, 86650, 107446, 197075, 244373, 268615, 394150, 488746, 537230, 1221865, 1343075, 2443730, 2686150, 6109325, 12218650, 13661239, 27322478, 68306195, 136612390, 341530975, 423498409, 683061950, 846996818, 2117492045, 4234984090, 10587460225, 21174920450]

約数ペア:

[(1, 21174920450), (2, 10587460225), (5, 4234984090), (10, 2117492045), (25, 846996818), (31, 683061950), (50, 423498409), (62, 341530975), (155, 136612390), (310, 68306195), (775, 27322478), (1550, 13661239), (1733, 12218650), (3466, 6109325), (7883, 2686150), (8665, 2443730), (15766, 1343075), (17330, 1221865), (39415, 537230), (43325, 488746), (53723, 394150), (78830, 268615), (86650, 244373), (107446, 197075)]