21815736

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13567}}^1$

素因数の和:13643

約数の個数: 32

約数和(自身を含む): 55357440

約数和(自身を除く): 33541704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13567, 27134, 40701, 54268, 81402, 108536, 162804, 325608, 908989, 1817978, 2726967, 3635956, 5453934, 7271912, 10907868, 21815736]

約数ペア:

[(1, 21815736), (2, 10907868), (3, 7271912), (4, 5453934), (6, 3635956), (8, 2726967), (12, 1817978), (24, 908989), (67, 325608), (134, 162804), (201, 108536), (268, 81402), (402, 54268), (536, 40701), (804, 27134), (1608, 13567)]