21749452

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{683}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 18469748

約数列:

[1, 2, 4, 19, 38, 76, 419, 683, 838, 1366, 1676, 2732, 7961, 12977, 15922, 25954, 31844, 51908, 286177, 572354, 1144708, 5437363, 10874726, 21749452]

約数ペア:

[(1, 21749452), (2, 10874726), (4, 5437363), (19, 1144708), (38, 572354), (76, 286177), (419, 51908), (683, 31844), (838, 25954), (1366, 15922), (1676, 12977), (2732, 7961)]