21039634

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136621}}^1$

素因数の和:136641

約数の個数: 16

約数和(自身を含む): 39347136

約数和(自身を除く): 18307502

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136621, 273242, 956347, 1502831, 1912694, 3005662, 10519817, 21039634]

約数ペア:

[(1, 21039634), (2, 10519817), (7, 3005662), (11, 1912694), (14, 1502831), (22, 956347), (77, 273242), (154, 136621)]