21586806

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{14449}}^1$

素因数の和:14540

約数の個数: 24

約数和(自身を含む): 47338200

約数和(自身を除く): 25751394

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 14449, 28898, 43347, 86694, 130041, 260082, 1199267, 2398534, 3597801, 7195602, 10793403, 21586806]

約数ペア:

[(1, 21586806), (2, 10793403), (3, 7195602), (6, 3597801), (9, 2398534), (18, 1199267), (83, 260082), (166, 130041), (249, 86694), (498, 43347), (747, 28898), (1494, 14449)]