21131446216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{40771}}^1$

素因数の和:40934

約数の個数: 64

約数和(自身を含む): 43505354880

約数和(自身を除く): 22373908664

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 103, 136, 148, 206, 296, 412, 629, 824, 1258, 1751, 2516, 3502, 3811, 5032, 7004, 7622, 14008, 15244, 30488, 40771, 64787, 81542, 129574, 163084, 259148, 326168, 518296, 693107, 1386214, 1508527, 2772428, 3017054, 4199413, 5544856, 6034108, 8398826, 12068216, 16797652, 25644959, 33595304, 51289918, 71390021, 102579836, 142780042, 155378281, 205159672, 285560084, 310756562, 571120168, 621513124, 1243026248, 2641430777, 5282861554, 10565723108, 21131446216]

約数ペア:

[(1, 21131446216), (2, 10565723108), (4, 5282861554), (8, 2641430777), (17, 1243026248), (34, 621513124), (37, 571120168), (68, 310756562), (74, 285560084), (103, 205159672), (136, 155378281), (148, 142780042), (206, 102579836), (296, 71390021), (412, 51289918), (629, 33595304), (824, 25644959), (1258, 16797652), (1751, 12068216), (2516, 8398826), (3502, 6034108), (3811, 5544856), (5032, 4199413), (7004, 3017054), (7622, 2772428), (14008, 1508527), (15244, 1386214), (30488, 693107), (40771, 518296), (64787, 326168), (81542, 259148), (129574, 163084)]