21790522

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2854

約数の個数: 24

約数和(自身を含む): 36945504

約数和(自身を除く): 15154982

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 2803, 3887, 5606, 7774, 36439, 64469, 72878, 128938, 473707, 838097, 947414, 1676194, 10895261, 21790522]

約数ペア:

[(1, 21790522), (2, 10895261), (13, 1676194), (23, 947414), (26, 838097), (46, 473707), (169, 128938), (299, 72878), (338, 64469), (598, 36439), (2803, 7774), (3887, 5606)]