21456092

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 46663680

約数和(自身を除く): 25207588

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1301, 2356, 2602, 4123, 5204, 8246, 9107, 16492, 18214, 24719, 36428, 40331, 49438, 80662, 98876, 161324, 173033, 282317, 346066, 564634, 692132, 766289, 1129268, 1532578, 3065156, 5364023, 10728046, 21456092]

約数ペア:

[(1, 21456092), (2, 10728046), (4, 5364023), (7, 3065156), (14, 1532578), (19, 1129268), (28, 766289), (31, 692132), (38, 564634), (62, 346066), (76, 282317), (124, 173033), (133, 161324), (217, 98876), (266, 80662), (434, 49438), (532, 40331), (589, 36428), (868, 24719), (1178, 18214), (1301, 16492), (2356, 9107), (2602, 8246), (4123, 5204)]