21599461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 4527899

約数列:

[1, 13, 23, 29, 47, 53, 299, 377, 611, 667, 689, 1081, 1219, 1363, 1537, 2491, 8671, 14053, 15847, 17719, 19981, 31349, 32383, 35351, 57293, 72239, 407537, 459563, 744809, 939107, 1661497, 21599461]

約数ペア:

[(1, 21599461), (13, 1661497), (23, 939107), (29, 744809), (47, 459563), (53, 407537), (299, 72239), (377, 57293), (611, 35351), (667, 32383), (689, 31349), (1081, 19981), (1219, 17719), (1363, 15847), (1537, 14053), (2491, 8671)]