21322476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 62060544

約数和(自身を除く): 40738068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 191, 252, 382, 443, 573, 764, 886, 1146, 1329, 1337, 1719, 1772, 2292, 2658, 2674, 3101, 3438, 3987, 4011, 5316, 5348, 6202, 6876, 7974, 8022, 9303, 12033, 12404, 15948, 16044, 18606, 24066, 27909, 37212, 48132, 55818, 84613, 111636, 169226, 253839, 338452, 507678, 592291, 761517, 1015356, 1184582, 1523034, 1776873, 2369164, 3046068, 3553746, 5330619, 7107492, 10661238, 21322476]

約数ペア:

[(1, 21322476), (2, 10661238), (3, 7107492), (4, 5330619), (6, 3553746), (7, 3046068), (9, 2369164), (12, 1776873), (14, 1523034), (18, 1184582), (21, 1015356), (28, 761517), (36, 592291), (42, 507678), (63, 338452), (84, 253839), (126, 169226), (191, 111636), (252, 84613), (382, 55818), (443, 48132), (573, 37212), (764, 27909), (886, 24066), (1146, 18606), (1329, 16044), (1337, 15948), (1719, 12404), (1772, 12033), (2292, 9303), (2658, 8022), (2674, 7974), (3101, 6876), (3438, 6202), (3987, 5348), (4011, 5316)]