21067549672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{613}}^1\times {\mathrm{1193}}^1$

素因数の和:2102

約数の個数: 64

約数和(自身を含む): 42799312080

約数和(自身を除く): 21731762408

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 613, 1108, 1193, 1226, 2216, 2386, 2452, 3601, 4772, 4904, 7202, 7969, 9544, 14404, 15509, 15938, 28808, 31018, 31876, 62036, 63752, 124072, 169801, 330461, 339602, 660922, 679204, 731309, 1321844, 1358408, 1462618, 2207413, 2643688, 2925236, 4295993, 4414826, 5850472, 8591986, 8829652, 9507017, 17183972, 17659304, 19014034, 34367944, 38028068, 76056136, 202572593, 405145186, 810290372, 1620580744, 2633443709, 5266887418, 10533774836, 21067549672]

約数ペア:

[(1, 21067549672), (2, 10533774836), (4, 5266887418), (8, 2633443709), (13, 1620580744), (26, 810290372), (52, 405145186), (104, 202572593), (277, 76056136), (554, 38028068), (613, 34367944), (1108, 19014034), (1193, 17659304), (1226, 17183972), (2216, 9507017), (2386, 8829652), (2452, 8591986), (3601, 5850472), (4772, 4414826), (4904, 4295993), (7202, 2925236), (7969, 2643688), (9544, 2207413), (14404, 1462618), (15509, 1358408), (15938, 1321844), (28808, 731309), (31018, 679204), (31876, 660922), (62036, 339602), (63752, 330461), (124072, 169801)]