21278049386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{372137}}^1$

素因数の和:372286

約数の個数: 32

約数和(自身を含む): 36654104448

約数和(自身を除く): 15376055062

約数列:

[1, 2, 11, 22, 23, 46, 113, 226, 253, 506, 1243, 2486, 2599, 5198, 28589, 57178, 372137, 744274, 4093507, 8187014, 8559151, 17118302, 42051481, 84102962, 94150661, 188301322, 462566291, 925132582, 967184063, 1934368126, 10639024693, 21278049386]

約数ペア:

[(1, 21278049386), (2, 10639024693), (11, 1934368126), (22, 967184063), (23, 925132582), (46, 462566291), (113, 188301322), (226, 94150661), (253, 84102962), (506, 42051481), (1243, 17118302), (2486, 8559151), (2599, 8187014), (5198, 4093507), (28589, 744274), (57178, 372137)]