21283670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 40144896

約数和(自身を除く): 18861226

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 967, 1934, 2201, 4402, 4835, 9670, 11005, 22010, 29977, 59954, 68657, 137314, 149885, 299770, 343285, 686570, 2128367, 4256734, 10641835, 21283670]

約数ペア:

[(1, 21283670), (2, 10641835), (5, 4256734), (10, 2128367), (31, 686570), (62, 343285), (71, 299770), (142, 149885), (155, 137314), (310, 68657), (355, 59954), (710, 29977), (967, 22010), (1934, 11005), (2201, 9670), (4402, 4835)]