221978652

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2642603}}^1$

素因数の和:2642617

約数の個数: 24

約数和(自身を含む): 591943296

約数和(自身を除く): 369964644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2642603, 5285206, 7927809, 10570412, 15855618, 18498221, 31711236, 36996442, 55494663, 73992884, 110989326, 221978652]

約数ペア:

[(1, 221978652), (2, 110989326), (3, 73992884), (4, 55494663), (6, 36996442), (7, 31711236), (12, 18498221), (14, 15855618), (21, 10570412), (28, 7927809), (42, 5285206), (84, 2642603)]