21087852

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 29860500

約数列:

[1, 2, 3, 4, 6, 12, 53, 71, 106, 142, 159, 212, 213, 284, 318, 426, 467, 636, 852, 934, 1401, 1868, 2802, 3763, 5604, 7526, 11289, 15052, 22578, 24751, 33157, 45156, 49502, 66314, 74253, 99004, 99471, 132628, 148506, 198942, 297012, 397884, 1757321, 3514642, 5271963, 7029284, 10543926, 21087852]

約数ペア:

[(1, 21087852), (2, 10543926), (3, 7029284), (4, 5271963), (6, 3514642), (12, 1757321), (53, 397884), (71, 297012), (106, 198942), (142, 148506), (159, 132628), (212, 99471), (213, 99004), (284, 74253), (318, 66314), (426, 49502), (467, 45156), (636, 33157), (852, 24751), (934, 22578), (1401, 15052), (1868, 11289), (2802, 7526), (3763, 5604)]