21274170621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1\times {\mathrm{10369}}^1$

素因数の和:11249

約数の個数: 32

約数和(自身を含む): 31378790400

約数和(自身を除く): 10104619779

約数列:

[1, 3, 11, 33, 79, 237, 787, 869, 2361, 2607, 8657, 10369, 25971, 31107, 62173, 114059, 186519, 342177, 683903, 819151, 2051709, 2457453, 8160403, 9010661, 24481209, 27031983, 89764433, 269293299, 644671837, 1934015511, 7091390207, 21274170621]

約数ペア:

[(1, 21274170621), (3, 7091390207), (11, 1934015511), (33, 644671837), (79, 269293299), (237, 89764433), (787, 27031983), (869, 24481209), (2361, 9010661), (2607, 8160403), (8657, 2457453), (10369, 2051709), (25971, 819151), (31107, 683903), (62173, 342177), (114059, 186519)]