21231296

素因数分解:

$2^6\times {\mathrm{331739}}^1$

素因数の和:331751

約数の個数: 14

約数和(自身を含む): 42130980

約数和(自身を除く): 20899684

約数列:

[1, 2, 4, 8, 16, 32, 64, 331739, 663478, 1326956, 2653912, 5307824, 10615648, 21231296]

約数ペア:

[(1, 21231296), (2, 10615648), (4, 5307824), (8, 2653912), (16, 1326956), (32, 663478), (64, 331739)]