21446022

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 28953978

約数列:

[1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 174, 247, 377, 494, 499, 551, 741, 754, 998, 1102, 1131, 1482, 1497, 1653, 2262, 2994, 3306, 6487, 7163, 9481, 12974, 14326, 14471, 18962, 19461, 21489, 28443, 28942, 38922, 42978, 43413, 56886, 86826, 123253, 188123, 246506, 274949, 369759, 376246, 549898, 564369, 739518, 824847, 1128738, 1649694, 3574337, 7148674, 10723011, 21446022]

約数ペア:

[(1, 21446022), (2, 10723011), (3, 7148674), (6, 3574337), (13, 1649694), (19, 1128738), (26, 824847), (29, 739518), (38, 564369), (39, 549898), (57, 376246), (58, 369759), (78, 274949), (87, 246506), (114, 188123), (174, 123253), (247, 86826), (377, 56886), (494, 43413), (499, 42978), (551, 38922), (741, 28942), (754, 28443), (998, 21489), (1102, 19461), (1131, 18962), (1482, 14471), (1497, 14326), (1653, 12974), (2262, 9481), (2994, 7163), (3306, 6487)]