21741358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 36036000

約数和(自身を除く): 14294642

約数列:

[1, 2, 19, 29, 38, 58, 109, 181, 218, 362, 551, 1102, 2071, 3161, 3439, 4142, 5249, 6322, 6878, 10498, 19729, 39458, 60059, 99731, 120118, 199462, 374851, 572141, 749702, 1144282, 10870679, 21741358]

約数ペア:

[(1, 21741358), (2, 10870679), (19, 1144282), (29, 749702), (38, 572141), (58, 374851), (109, 199462), (181, 120118), (218, 99731), (362, 60059), (551, 39458), (1102, 19729), (2071, 10498), (3161, 6878), (3439, 6322), (4142, 5249)]