21553372072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{16901}}^1\times {\mathrm{9377}}^1$

素因数の和:26301

約数の個数: 32

約数和(自身を含む): 42796878120

約数和(自身を除く): 21243506048

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 9377, 16901, 18754, 33802, 37508, 67604, 75016, 135208, 159409, 287317, 318818, 574634, 637636, 1149268, 1275272, 2298536, 158480677, 316961354, 633922708, 1267845416, 2694171509, 5388343018, 10776686036, 21553372072]

約数ペア:

[(1, 21553372072), (2, 10776686036), (4, 5388343018), (8, 2694171509), (17, 1267845416), (34, 633922708), (68, 316961354), (136, 158480677), (9377, 2298536), (16901, 1275272), (18754, 1149268), (33802, 637636), (37508, 574634), (67604, 318818), (75016, 287317), (135208, 159409)]