21143016

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2851}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 57838560

約数和(自身を除く): 36695544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2851, 3708, 5702, 7416, 8553, 11404, 17106, 22808, 25659, 34212, 51318, 68424, 102636, 205272, 293653, 587306, 880959, 1174612, 1761918, 2349224, 2642877, 3523836, 5285754, 7047672, 10571508, 21143016]

約数ペア:

[(1, 21143016), (2, 10571508), (3, 7047672), (4, 5285754), (6, 3523836), (8, 2642877), (9, 2349224), (12, 1761918), (18, 1174612), (24, 880959), (36, 587306), (72, 293653), (103, 205272), (206, 102636), (309, 68424), (412, 51318), (618, 34212), (824, 25659), (927, 22808), (1236, 17106), (1854, 11404), (2472, 8553), (2851, 7416), (3708, 5702)]