21753564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258971}}^1$

素因数の和:258985

約数の個数: 24

約数和(自身を含む): 58009728

約数和(自身を除く): 36256164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258971, 517942, 776913, 1035884, 1553826, 1812797, 3107652, 3625594, 5438391, 7251188, 10876782, 21753564]

約数ペア:

[(1, 21753564), (2, 10876782), (3, 7251188), (4, 5438391), (6, 3625594), (7, 3107652), (12, 1812797), (14, 1553826), (21, 1035884), (28, 776913), (42, 517942), (84, 258971)]