21481236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85243}}^1$

素因数の和:85260

約数の個数: 36

約数和(自身を含む): 62057632

約数和(自身を除く): 40576396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85243, 170486, 255729, 340972, 511458, 596701, 767187, 1022916, 1193402, 1534374, 1790103, 2386804, 3068748, 3580206, 5370309, 7160412, 10740618, 21481236]

約数ペア:

[(1, 21481236), (2, 10740618), (3, 7160412), (4, 5370309), (6, 3580206), (7, 3068748), (9, 2386804), (12, 1790103), (14, 1534374), (18, 1193402), (21, 1022916), (28, 767187), (36, 596701), (42, 511458), (63, 340972), (84, 255729), (126, 170486), (252, 85243)]