21688968

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18443}}^1$

素因数の和:18466

約数の個数: 48

約数和(自身を含む): 63078480

約数和(自身を除く): 41389512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18443, 36886, 55329, 73772, 110658, 129101, 147544, 221316, 258202, 387303, 442632, 516404, 774606, 903707, 1032808, 1549212, 1807414, 2711121, 3098424, 3614828, 5422242, 7229656, 10844484, 21688968]

約数ペア:

[(1, 21688968), (2, 10844484), (3, 7229656), (4, 5422242), (6, 3614828), (7, 3098424), (8, 2711121), (12, 1807414), (14, 1549212), (21, 1032808), (24, 903707), (28, 774606), (42, 516404), (49, 442632), (56, 387303), (84, 258202), (98, 221316), (147, 147544), (168, 129101), (196, 110658), (294, 73772), (392, 55329), (588, 36886), (1176, 18443)]