21695036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25951}}^1$

素因数の和:25985

約数の個数: 24

約数和(自身を含む): 43599360

約数和(自身を除く): 21904324

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25951, 51902, 103804, 285461, 493069, 570922, 986138, 1141844, 1972276, 5423759, 10847518, 21695036]

約数ペア:

[(1, 21695036), (2, 10847518), (4, 5423759), (11, 1972276), (19, 1141844), (22, 986138), (38, 570922), (44, 493069), (76, 285461), (209, 103804), (418, 51902), (836, 25951)]