21550120016

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{4027}}^1\times {\mathrm{5483}}^1$

素因数の和:9579

約数の個数: 40

約数和(自身を含む): 42456118944

約数和(自身を除く): 20905998928

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 4027, 5483, 8054, 10966, 16108, 21932, 32216, 43864, 64432, 87728, 245647, 334463, 491294, 668926, 982588, 1337852, 1965176, 2675704, 3930352, 5351408, 22080041, 44160082, 88320164, 176640328, 353280656, 1346882501, 2693765002, 5387530004, 10775060008, 21550120016]

約数ペア:

[(1, 21550120016), (2, 10775060008), (4, 5387530004), (8, 2693765002), (16, 1346882501), (61, 353280656), (122, 176640328), (244, 88320164), (488, 44160082), (976, 22080041), (4027, 5351408), (5483, 3930352), (8054, 2675704), (10966, 1965176), (16108, 1337852), (21932, 982588), (32216, 668926), (43864, 491294), (64432, 334463), (87728, 245647)]