21510054

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 48859200

約数和(自身を除く): 27349146

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 89, 174, 178, 261, 267, 463, 522, 534, 801, 926, 1389, 1602, 2581, 2778, 4167, 5162, 7743, 8334, 13427, 15486, 23229, 26854, 40281, 41207, 46458, 80562, 82414, 120843, 123621, 241686, 247242, 370863, 741726, 1195003, 2390006, 3585009, 7170018, 10755027, 21510054]

約数ペア:

[(1, 21510054), (2, 10755027), (3, 7170018), (6, 3585009), (9, 2390006), (18, 1195003), (29, 741726), (58, 370863), (87, 247242), (89, 241686), (174, 123621), (178, 120843), (261, 82414), (267, 80562), (463, 46458), (522, 41207), (534, 40281), (801, 26854), (926, 23229), (1389, 15486), (1602, 13427), (2581, 8334), (2778, 7743), (4167, 5162)]