21768152

素因数分解:

$2^3\times 7^3\times {\mathrm{7933}}^1$

素因数の和:7960

約数の個数: 32

約数和(自身を含む): 47604000

約数和(自身を除く): 25835848

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7933, 15866, 31732, 55531, 63464, 111062, 222124, 388717, 444248, 777434, 1554868, 2721019, 3109736, 5442038, 10884076, 21768152]

約数ペア:

[(1, 21768152), (2, 10884076), (4, 5442038), (7, 3109736), (8, 2721019), (14, 1554868), (28, 777434), (49, 444248), (56, 388717), (98, 222124), (196, 111062), (343, 63464), (392, 55531), (686, 31732), (1372, 15866), (2744, 7933)]