21119301

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1237}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 35020544

約数和(自身を除く): 13901243

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1237, 1897, 2439, 3711, 5691, 8659, 11133, 17073, 25977, 77931, 335227, 1005681, 2346589, 3017043, 7039767, 21119301]

約数ペア:

[(1, 21119301), (3, 7039767), (7, 3017043), (9, 2346589), (21, 1005681), (63, 335227), (271, 77931), (813, 25977), (1237, 17073), (1897, 11133), (2439, 8659), (3711, 5691)]