21988998

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{18233}}^1$

素因数の和:18308

約数の個数: 24

約数和(自身を含む): 48356568

約数和(自身を除く): 26367570

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 18233, 36466, 54699, 109398, 164097, 328194, 1221611, 2443222, 3664833, 7329666, 10994499, 21988998]

約数ペア:

[(1, 21988998), (2, 10994499), (3, 7329666), (6, 3664833), (9, 2443222), (18, 1221611), (67, 328194), (134, 164097), (201, 109398), (402, 54699), (603, 36466), (1206, 18233)]