21249581

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 23237760

約数和(自身を除く): 1988179

約数列:

[1, 19, 37, 167, 181, 703, 3173, 3439, 6179, 6697, 30227, 117401, 127243, 574313, 1118399, 21249581]

約数ペア:

[(1, 21249581), (19, 1118399), (37, 574313), (167, 127243), (181, 117401), (703, 30227), (3173, 6697), (3439, 6179)]