21920010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104381}}^1$

素因数の和:104398

約数の個数: 32

約数和(自身を含む): 60124032

約数和(自身を除く): 38204022

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104381, 208762, 313143, 521905, 626286, 730667, 1043810, 1461334, 1565715, 2192001, 3131430, 3653335, 4384002, 7306670, 10960005, 21920010]

約数ペア:

[(1, 21920010), (2, 10960005), (3, 7306670), (5, 4384002), (6, 3653335), (7, 3131430), (10, 2192001), (14, 1565715), (15, 1461334), (21, 1043810), (30, 730667), (35, 626286), (42, 521905), (70, 313143), (105, 208762), (210, 104381)]