21284388

素因数分解:

$2^2\times 3^2\times {\mathrm{591233}}^1$

素因数の和:591243

約数の個数: 18

約数和(自身を含む): 53802294

約数和(自身を除く): 32517906

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591233, 1182466, 1773699, 2364932, 3547398, 5321097, 7094796, 10642194, 21284388]

約数ペア:

[(1, 21284388), (2, 10642194), (3, 7094796), (4, 5321097), (6, 3547398), (9, 2364932), (12, 1773699), (18, 1182466), (36, 591233)]