21784284

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14759}}^1$

素因数の和:14810

約数の個数: 36

約数和(自身を含む): 56412720

約数和(自身を除く): 34628436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14759, 29518, 44277, 59036, 88554, 132831, 177108, 265662, 531324, 605119, 1210238, 1815357, 2420476, 3630714, 5446071, 7261428, 10892142, 21784284]

約数ペア:

[(1, 21784284), (2, 10892142), (3, 7261428), (4, 5446071), (6, 3630714), (9, 2420476), (12, 1815357), (18, 1210238), (36, 605119), (41, 531324), (82, 265662), (123, 177108), (164, 132831), (246, 88554), (369, 59036), (492, 44277), (738, 29518), (1476, 14759)]