21428110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2347}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 42602112

約数和(自身を除く): 21174002

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 166, 415, 830, 913, 1826, 2347, 4565, 4694, 9130, 11735, 23470, 25817, 51634, 129085, 194801, 258170, 389602, 974005, 1948010, 2142811, 4285622, 10714055, 21428110]

約数ペア:

[(1, 21428110), (2, 10714055), (5, 4285622), (10, 2142811), (11, 1948010), (22, 974005), (55, 389602), (83, 258170), (110, 194801), (166, 129085), (415, 51634), (830, 25817), (913, 23470), (1826, 11735), (2347, 9130), (4565, 4694)]