21615262

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 36267264

約数和(自身を除く): 14652002

約数列:

[1, 2, 17, 23, 34, 46, 131, 211, 262, 391, 422, 782, 2227, 3013, 3587, 4454, 4853, 6026, 7174, 9706, 27641, 51221, 55282, 82501, 102442, 165002, 469897, 635743, 939794, 1271486, 10807631, 21615262]

約数ペア:

[(1, 21615262), (2, 10807631), (17, 1271486), (23, 939794), (34, 635743), (46, 469897), (131, 165002), (211, 102442), (262, 82501), (391, 55282), (422, 51221), (782, 27641), (2227, 9706), (3013, 7174), (3587, 6026), (4454, 4853)]