21014684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4127}}^1$

素因数の和:4217

約数の個数: 24

約数和(自身を含む): 39298560

約数和(自身を除く): 18283876

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 4127, 5092, 8254, 16508, 78413, 156826, 276509, 313652, 553018, 1106036, 5253671, 10507342, 21014684]

約数ペア:

[(1, 21014684), (2, 10507342), (4, 5253671), (19, 1106036), (38, 553018), (67, 313652), (76, 276509), (134, 156826), (268, 78413), (1273, 16508), (2546, 8254), (4127, 5092)]