21473944

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{7477}}^1$

素因数の和:7842

約数の個数: 16

約数和(自身を含む): 40381200

約数和(自身を除く): 18907256

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 7477, 14954, 29908, 59816, 2684243, 5368486, 10736972, 21473944]

約数ペア:

[(1, 21473944), (2, 10736972), (4, 5368486), (8, 2684243), (359, 59816), (718, 29908), (1436, 14954), (2872, 7477)]