21041733

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 10528827

約数列:

[1, 3, 17, 29, 41, 51, 87, 123, 347, 493, 697, 1041, 1189, 1479, 2091, 3567, 5899, 10063, 14227, 17697, 20213, 30189, 42681, 60639, 171071, 241859, 412583, 513213, 725577, 1237749, 7013911, 21041733]

約数ペア:

[(1, 21041733), (3, 7013911), (17, 1237749), (29, 725577), (41, 513213), (51, 412583), (87, 241859), (123, 171071), (347, 60639), (493, 42681), (697, 30189), (1041, 20213), (1189, 17697), (1479, 14227), (2091, 10063), (3567, 5899)]