21679080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10627}}^1$

素因数の和:10658

約数の個数: 64

約数和(自身を含む): 68869440

約数和(自身を除く): 47190360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10627, 21254, 31881, 42508, 53135, 63762, 85016, 106270, 127524, 159405, 180659, 212540, 255048, 318810, 361318, 425080, 541977, 637620, 722636, 903295, 1083954, 1275240, 1445272, 1806590, 2167908, 2709885, 3613180, 4335816, 5419770, 7226360, 10839540, 21679080]

約数ペア:

[(1, 21679080), (2, 10839540), (3, 7226360), (4, 5419770), (5, 4335816), (6, 3613180), (8, 2709885), (10, 2167908), (12, 1806590), (15, 1445272), (17, 1275240), (20, 1083954), (24, 903295), (30, 722636), (34, 637620), (40, 541977), (51, 425080), (60, 361318), (68, 318810), (85, 255048), (102, 212540), (120, 180659), (136, 159405), (170, 127524), (204, 106270), (255, 85016), (340, 63762), (408, 53135), (510, 42508), (680, 31881), (1020, 21254), (2040, 10627)]