21282965679

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{6277}}^1$

素因数の和:6639

約数の個数: 32

約数和(自身を含む): 29362959360

約数和(自身を除く): 8079993681

約数列:

[1, 3, 47, 139, 141, 173, 417, 519, 6277, 6533, 8131, 18831, 19599, 24047, 24393, 72141, 295019, 872503, 885057, 1085921, 1130209, 2617509, 3257763, 3390627, 41007641, 51038287, 123022923, 150943019, 153114861, 452829057, 7094321893, 21282965679]

約数ペア:

[(1, 21282965679), (3, 7094321893), (47, 452829057), (139, 153114861), (141, 150943019), (173, 123022923), (417, 51038287), (519, 41007641), (6277, 3390627), (6533, 3257763), (8131, 2617509), (18831, 1130209), (19599, 1085921), (24047, 885057), (24393, 872503), (72141, 295019)]