21111724

素因数分解:

$2^2\times {\mathrm{659}}^1\times {\mathrm{8009}}^1$

素因数の和:8672

約数の個数: 12

約数和(自身を含む): 37006200

約数和(自身を除く): 15894476

約数列:

[1, 2, 4, 659, 1318, 2636, 8009, 16018, 32036, 5277931, 10555862, 21111724]

約数ペア:

[(1, 21111724), (2, 10555862), (4, 5277931), (659, 32036), (1318, 16018), (2636, 8009)]