21286026

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1031}}^1$

素因数の和:1107

約数の個数: 48

約数和(自身を含む): 48941568

約数和(自身を除く): 27655542

約数列:

[1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1031, 1147, 2062, 2294, 3093, 3441, 6186, 6882, 9279, 10323, 18558, 20646, 31961, 38147, 63922, 76294, 95883, 114441, 191766, 228882, 287649, 343323, 575298, 686646, 1182557, 2365114, 3547671, 7095342, 10643013, 21286026]

約数ペア:

[(1, 21286026), (2, 10643013), (3, 7095342), (6, 3547671), (9, 2365114), (18, 1182557), (31, 686646), (37, 575298), (62, 343323), (74, 287649), (93, 228882), (111, 191766), (186, 114441), (222, 95883), (279, 76294), (333, 63922), (558, 38147), (666, 31961), (1031, 20646), (1147, 18558), (2062, 10323), (2294, 9279), (3093, 6882), (3441, 6186)]