21071214

素因数分解:

$2^1\times 3^2\times {\mathrm{809}}^1\times {\mathrm{1447}}^1$

素因数の和:2264

約数の個数: 24

約数和(自身を含む): 45742320

約数和(自身を除く): 24671106

約数列:

[1, 2, 3, 6, 9, 18, 809, 1447, 1618, 2427, 2894, 4341, 4854, 7281, 8682, 13023, 14562, 26046, 1170623, 2341246, 3511869, 7023738, 10535607, 21071214]

約数ペア:

[(1, 21071214), (2, 10535607), (3, 7023738), (6, 3511869), (9, 2341246), (18, 1170623), (809, 26046), (1447, 14562), (1618, 13023), (2427, 8682), (2894, 7281), (4341, 4854)]