21732753

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 34320384

約数和(自身を除く): 12587631

約数列:

[1, 3, 7, 21, 47, 97, 141, 227, 291, 329, 679, 681, 987, 1589, 2037, 4559, 4767, 10669, 13677, 22019, 31913, 32007, 66057, 74683, 95739, 154133, 224049, 462399, 1034893, 3104679, 7244251, 21732753]

約数ペア:

[(1, 21732753), (3, 7244251), (7, 3104679), (21, 1034893), (47, 462399), (97, 224049), (141, 154133), (227, 95739), (291, 74683), (329, 66057), (679, 32007), (681, 31913), (987, 22019), (1589, 13677), (2037, 10669), (4559, 4767)]