21691572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258233}}^1$

素因数の和:258247

約数の個数: 24

約数和(自身を含む): 57844416

約数和(自身を除く): 36152844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258233, 516466, 774699, 1032932, 1549398, 1807631, 3098796, 3615262, 5422893, 7230524, 10845786, 21691572]

約数ペア:

[(1, 21691572), (2, 10845786), (3, 7230524), (4, 5422893), (6, 3615262), (7, 3098796), (12, 1807631), (14, 1549398), (21, 1032932), (28, 774699), (42, 516466), (84, 258233)]