21741902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1783}}^1$

素因数の和:1872

約数の個数: 32

約数和(自身を含む): 40760832

約数和(自身を除く): 19018930

約数列:

[1, 2, 7, 13, 14, 26, 67, 91, 134, 182, 469, 871, 938, 1742, 1783, 3566, 6097, 12194, 12481, 23179, 24962, 46358, 119461, 162253, 238922, 324506, 836227, 1552993, 1672454, 3105986, 10870951, 21741902]

約数ペア:

[(1, 21741902), (2, 10870951), (7, 3105986), (13, 1672454), (14, 1552993), (26, 836227), (67, 324506), (91, 238922), (134, 162253), (182, 119461), (469, 46358), (871, 24962), (938, 23179), (1742, 12481), (1783, 12194), (3566, 6097)]