21269706

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 43450368

約数和(自身を除く): 22180662

約数列:

[1, 2, 3, 6, 103, 127, 206, 254, 271, 309, 381, 542, 618, 762, 813, 1626, 13081, 26162, 27913, 34417, 39243, 55826, 68834, 78486, 83739, 103251, 167478, 206502, 3544951, 7089902, 10634853, 21269706]

約数ペア:

[(1, 21269706), (2, 10634853), (3, 7089902), (6, 3544951), (103, 206502), (127, 167478), (206, 103251), (254, 83739), (271, 78486), (309, 68834), (381, 55826), (542, 39243), (618, 34417), (762, 27913), (813, 26162), (1626, 13081)]