21772404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 58604000

約数和(自身を除く): 36831596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 229, 278, 342, 417, 458, 556, 684, 687, 834, 916, 1251, 1374, 1668, 2061, 2502, 2641, 2748, 4122, 4351, 5004, 5282, 7923, 8244, 8702, 10564, 13053, 15846, 17404, 23769, 26106, 31692, 31831, 39159, 47538, 52212, 63662, 78318, 95076, 95493, 127324, 156636, 190986, 286479, 381972, 572958, 604789, 1145916, 1209578, 1814367, 2419156, 3628734, 5443101, 7257468, 10886202, 21772404]

約数ペア:

[(1, 21772404), (2, 10886202), (3, 7257468), (4, 5443101), (6, 3628734), (9, 2419156), (12, 1814367), (18, 1209578), (19, 1145916), (36, 604789), (38, 572958), (57, 381972), (76, 286479), (114, 190986), (139, 156636), (171, 127324), (228, 95493), (229, 95076), (278, 78318), (342, 63662), (417, 52212), (458, 47538), (556, 39159), (684, 31831), (687, 31692), (834, 26106), (916, 23769), (1251, 17404), (1374, 15846), (1668, 13053), (2061, 10564), (2502, 8702), (2641, 8244), (2748, 7923), (4122, 5282), (4351, 5004)]