21665658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9733}}^1$

素因数の和:9798

約数の個数: 32

約数和(自身を含む): 50461056

約数和(自身を除く): 28795398

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9733, 19466, 29199, 58398, 68131, 136262, 204393, 408786, 515849, 1031698, 1547547, 3095094, 3610943, 7221886, 10832829, 21665658]

約数ペア:

[(1, 21665658), (2, 10832829), (3, 7221886), (6, 3610943), (7, 3095094), (14, 1547547), (21, 1031698), (42, 515849), (53, 408786), (106, 204393), (159, 136262), (318, 68131), (371, 58398), (742, 29199), (1113, 19466), (2226, 9733)]