21086411259

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1\times {\mathrm{4231}}^1$

素因数の和:5091

約数の個数: 32

約数和(自身を含む): 29410030080

約数和(自身を除く): 8323618821

約数列:

[1, 3, 37, 59, 111, 177, 761, 2183, 2283, 4231, 6549, 12693, 28157, 44899, 84471, 134697, 156547, 249629, 469641, 748887, 1661263, 3219791, 4983789, 9236273, 9659373, 27708819, 119132267, 189967669, 357396801, 569903007, 7028803753, 21086411259]

約数ペア:

[(1, 21086411259), (3, 7028803753), (37, 569903007), (59, 357396801), (111, 189967669), (177, 119132267), (761, 27708819), (2183, 9659373), (2283, 9236273), (4231, 4983789), (6549, 3219791), (12693, 1661263), (28157, 748887), (44899, 469641), (84471, 249629), (134697, 156547)]