21749286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 47828880

約数和(自身を除く): 26079594

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 169, 178, 241, 267, 338, 482, 507, 534, 723, 1014, 1157, 1446, 2314, 3133, 3471, 6266, 6942, 9399, 15041, 18798, 21449, 30082, 40729, 42898, 45123, 64347, 81458, 90246, 122187, 128694, 244374, 278837, 557674, 836511, 1673022, 3624881, 7249762, 10874643, 21749286]

約数ペア:

[(1, 21749286), (2, 10874643), (3, 7249762), (6, 3624881), (13, 1673022), (26, 836511), (39, 557674), (78, 278837), (89, 244374), (169, 128694), (178, 122187), (241, 90246), (267, 81458), (338, 64347), (482, 45123), (507, 42898), (534, 40729), (723, 30082), (1014, 21449), (1157, 18798), (1446, 15041), (2314, 9399), (3133, 6942), (3471, 6266)]