21076983

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 11236617

約数列:

[1, 3, 9, 27, 59, 101, 131, 177, 303, 393, 531, 909, 1179, 1593, 2727, 3537, 5959, 7729, 13231, 17877, 23187, 39693, 53631, 69561, 119079, 160893, 208683, 357237, 780629, 2341887, 7025661, 21076983]

約数ペア:

[(1, 21076983), (3, 7025661), (9, 2341887), (27, 780629), (59, 357237), (101, 208683), (131, 160893), (177, 119079), (303, 69561), (393, 53631), (531, 39693), (909, 23187), (1179, 17877), (1593, 13231), (2727, 7729), (3537, 5959)]