21167365390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{151531}}^1$

素因数の和:151828

約数の個数: 32

約数和(自身を含む): 38895233760

約数和(自身を除く): 17727868370

約数列:

[1, 2, 5, 10, 61, 122, 229, 305, 458, 610, 1145, 2290, 13969, 27938, 69845, 139690, 151531, 303062, 757655, 1515310, 9243391, 18486782, 34700599, 46216955, 69401198, 92433910, 173502995, 347005990, 2116736539, 4233473078, 10583682695, 21167365390]

約数ペア:

[(1, 21167365390), (2, 10583682695), (5, 4233473078), (10, 2116736539), (61, 347005990), (122, 173502995), (229, 92433910), (305, 69401198), (458, 46216955), (610, 34700599), (1145, 18486782), (2290, 9243391), (13969, 1515310), (27938, 757655), (69845, 303062), (139690, 151531)]