21841089

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 32323200

約数和(自身を除く): 10482111

約数列:

[1, 3, 19, 29, 57, 73, 87, 181, 219, 543, 551, 1387, 1653, 2117, 3439, 4161, 5249, 6351, 10317, 13213, 15747, 39639, 40223, 99731, 120669, 251047, 299193, 383177, 753141, 1149531, 7280363, 21841089]

約数ペア:

[(1, 21841089), (3, 7280363), (19, 1149531), (29, 753141), (57, 383177), (73, 299193), (87, 251047), (181, 120669), (219, 99731), (543, 40223), (551, 39639), (1387, 15747), (1653, 13213), (2117, 10317), (3439, 6351), (4161, 5249)]