21910348

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{769}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 40748400

約数和(自身を除く): 18838052

約数列:

[1, 2, 4, 17, 34, 68, 419, 769, 838, 1538, 1676, 3076, 7123, 13073, 14246, 26146, 28492, 52292, 322211, 644422, 1288844, 5477587, 10955174, 21910348]

約数ペア:

[(1, 21910348), (2, 10955174), (4, 5477587), (17, 1288844), (34, 644422), (68, 322211), (419, 52292), (769, 28492), (838, 26146), (1538, 14246), (1676, 13073), (3076, 7123)]