21691478

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{6131}}^1$

素因数の和:6223

約数の個数: 16

約数和(自身を含む): 34216560

約数和(自身を除く): 12525082

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 6131, 12262, 177799, 355598, 373991, 747982, 10845739, 21691478]

約数ペア:

[(1, 21691478), (2, 10845739), (29, 747982), (58, 373991), (61, 355598), (122, 177799), (1769, 12262), (3538, 6131)]