21655214

素因数分解:

$2^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{1423}}^1$

素因数の和:2519

約数の個数: 16

約数和(自身を含む): 37183488

約数和(自身を除く): 15528274

約数列:

[1, 2, 7, 14, 1087, 1423, 2174, 2846, 7609, 9961, 15218, 19922, 1546801, 3093602, 10827607, 21655214]

約数ペア:

[(1, 21655214), (2, 10827607), (7, 3093602), (14, 1546801), (1087, 19922), (1423, 15218), (2174, 9961), (2846, 7609)]