21807698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 37091520

約数和(自身を除く): 15283822

約数列:

[1, 2, 11, 22, 53, 59, 106, 118, 317, 583, 634, 649, 1166, 1298, 3127, 3487, 6254, 6974, 16801, 18703, 33602, 34397, 37406, 68794, 184811, 205733, 369622, 411466, 991259, 1982518, 10903849, 21807698]

約数ペア:

[(1, 21807698), (2, 10903849), (11, 1982518), (22, 991259), (53, 411466), (59, 369622), (106, 205733), (118, 184811), (317, 68794), (583, 37406), (634, 34397), (649, 33602), (1166, 18703), (1298, 16801), (3127, 6974), (3487, 6254)]