21050490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11503}}^1$

素因数の和:11574

約数の個数: 32

約数和(自身を含む): 51353856

約数和(自身を除く): 30303366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11503, 23006, 34509, 57515, 69018, 115030, 172545, 345090, 701683, 1403366, 2105049, 3508415, 4210098, 7016830, 10525245, 21050490]

約数ペア:

[(1, 21050490), (2, 10525245), (3, 7016830), (5, 4210098), (6, 3508415), (10, 2105049), (15, 1403366), (30, 701683), (61, 345090), (122, 172545), (183, 115030), (305, 69018), (366, 57515), (610, 34509), (915, 23006), (1830, 11503)]