21098644

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10613}}^1$

素因数の和:10695

約数の個数: 24

約数和(自身を含む): 42795648

約数和(自身を除く): 21697004

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10613, 21226, 42452, 74291, 148582, 297164, 753523, 1507046, 3014092, 5274661, 10549322, 21098644]

約数ペア:

[(1, 21098644), (2, 10549322), (4, 5274661), (7, 3014092), (14, 1507046), (28, 753523), (71, 297164), (142, 148582), (284, 74291), (497, 42452), (994, 21226), (1988, 10613)]