21274920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19699}}^1$

素因数の和:19719

約数の個数: 64

約数和(自身を含む): 70920000

約数和(自身を除く): 49645080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19699, 39398, 59097, 78796, 98495, 118194, 157592, 177291, 196990, 236388, 295485, 354582, 393980, 472776, 531873, 590970, 709164, 787960, 886455, 1063746, 1181940, 1418328, 1772910, 2127492, 2363880, 2659365, 3545820, 4254984, 5318730, 7091640, 10637460, 21274920]

約数ペア:

[(1, 21274920), (2, 10637460), (3, 7091640), (4, 5318730), (5, 4254984), (6, 3545820), (8, 2659365), (9, 2363880), (10, 2127492), (12, 1772910), (15, 1418328), (18, 1181940), (20, 1063746), (24, 886455), (27, 787960), (30, 709164), (36, 590970), (40, 531873), (45, 472776), (54, 393980), (60, 354582), (72, 295485), (90, 236388), (108, 196990), (120, 177291), (135, 157592), (180, 118194), (216, 98495), (270, 78796), (360, 59097), (540, 39398), (1080, 19699)]