21739974

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1627}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 46417536

約数和(自身を除く): 24677562

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 131, 262, 393, 786, 1627, 2227, 3254, 4454, 4881, 6681, 9762, 13362, 27659, 55318, 82977, 165954, 213137, 426274, 639411, 1278822, 3623329, 7246658, 10869987, 21739974]

約数ペア:

[(1, 21739974), (2, 10869987), (3, 7246658), (6, 3623329), (17, 1278822), (34, 639411), (51, 426274), (102, 213137), (131, 165954), (262, 82977), (393, 55318), (786, 27659), (1627, 13362), (2227, 9762), (3254, 6681), (4454, 4881)]