21162996

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{1327}}^1$

素因数の和:1780

約数の個数: 36

約数和(自身を含む): 53656512

約数和(自身を除く): 32493516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 886, 1327, 1329, 1772, 2654, 2658, 3981, 3987, 5308, 5316, 7962, 7974, 11943, 15924, 15948, 23886, 47772, 587861, 1175722, 1763583, 2351444, 3527166, 5290749, 7054332, 10581498, 21162996]

約数ペア:

[(1, 21162996), (2, 10581498), (3, 7054332), (4, 5290749), (6, 3527166), (9, 2351444), (12, 1763583), (18, 1175722), (36, 587861), (443, 47772), (886, 23886), (1327, 15948), (1329, 15924), (1772, 11943), (2654, 7974), (2658, 7962), (3981, 5316), (3987, 5308)]