21746512

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13457}}^1$

素因数の和:13566

約数の個数: 20

約数和(自身を含む): 42554196

約数和(自身を除く): 20807684

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13457, 26914, 53828, 107656, 215312, 1359157, 2718314, 5436628, 10873256, 21746512]

約数ペア:

[(1, 21746512), (2, 10873256), (4, 5436628), (8, 2718314), (16, 1359157), (101, 215312), (202, 107656), (404, 53828), (808, 26914), (1616, 13457)]