21998149085

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{113983}}^1$

素因数の和:114050

約数の個数: 32

約数和(自身を含む): 30037063680

約数和(自身を除く): 8038914595

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1331, 1595, 3509, 6655, 17545, 38599, 113983, 192995, 569915, 1253813, 3305507, 6269065, 13791943, 16527535, 36360577, 68959715, 151711373, 181802885, 399966347, 758556865, 1999831735, 4399629817, 21998149085]

約数ペア:

[(1, 21998149085), (5, 4399629817), (11, 1999831735), (29, 758556865), (55, 399966347), (121, 181802885), (145, 151711373), (319, 68959715), (605, 36360577), (1331, 16527535), (1595, 13791943), (3509, 6269065), (6655, 3305507), (17545, 1253813), (38599, 569915), (113983, 192995)]