21559090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4219}}^1$

素因数の和:4306

約数の個数: 32

約数和(自身を含む): 44968320

約数和(自身を除く): 23409230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 4219, 5110, 8438, 21095, 29533, 42190, 59066, 147665, 295330, 307987, 615974, 1539935, 2155909, 3079870, 4311818, 10779545, 21559090]

約数ペア:

[(1, 21559090), (2, 10779545), (5, 4311818), (7, 3079870), (10, 2155909), (14, 1539935), (35, 615974), (70, 307987), (73, 295330), (146, 147665), (365, 59066), (511, 42190), (730, 29533), (1022, 21095), (2555, 8438), (4219, 5110)]