21493397282

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{3343}}^1$

素因数の和:3903

約数の個数: 64

約数和(自身を含む): 39478247424

約数和(自身を除く): 17984850142

約数列:

[1, 2, 7, 14, 23, 41, 46, 82, 161, 287, 322, 487, 574, 943, 974, 1886, 3343, 3409, 6601, 6686, 6818, 11201, 13202, 19967, 22402, 23401, 39934, 46802, 76889, 78407, 137063, 139769, 153778, 156814, 274126, 279538, 459241, 538223, 918482, 959441, 1076446, 1628041, 1918882, 3152449, 3214687, 3256082, 6304898, 6429374, 11396287, 22067143, 22792574, 37444943, 44134286, 66749681, 74889886, 133499362, 262114601, 467247767, 524229202, 934495534, 1535242663, 3070485326, 10746698641, 21493397282]

約数ペア:

[(1, 21493397282), (2, 10746698641), (7, 3070485326), (14, 1535242663), (23, 934495534), (41, 524229202), (46, 467247767), (82, 262114601), (161, 133499362), (287, 74889886), (322, 66749681), (487, 44134286), (574, 37444943), (943, 22792574), (974, 22067143), (1886, 11396287), (3343, 6429374), (3409, 6304898), (6601, 3256082), (6686, 3214687), (6818, 3152449), (11201, 1918882), (13202, 1628041), (19967, 1076446), (22402, 959441), (23401, 918482), (39934, 538223), (46802, 459241), (76889, 279538), (78407, 274126), (137063, 156814), (139769, 153778)]