21291198

素因数分解:

$2^1\times 3^1\times {\mathrm{1151}}^1\times {\mathrm{3083}}^1$

素因数の和:4239

約数の個数: 16

約数和(自身を含む): 42633216

約数和(自身を除く): 21342018

約数列:

[1, 2, 3, 6, 1151, 2302, 3083, 3453, 6166, 6906, 9249, 18498, 3548533, 7097066, 10645599, 21291198]

約数ペア:

[(1, 21291198), (2, 10645599), (3, 7097066), (6, 3548533), (1151, 18498), (2302, 9249), (3083, 6906), (3453, 6166)]