21127500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{313}}^1$

素因数の和:346

約数の個数: 120

約数和(自身を含む): 68665520

約数和(自身を除く): 47538020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 313, 375, 450, 500, 540, 625, 626, 675, 750, 900, 939, 1125, 1250, 1252, 1350, 1500, 1565, 1875, 1878, 2250, 2500, 2700, 2817, 3130, 3375, 3750, 3756, 4500, 4695, 5625, 5634, 6260, 6750, 7500, 7825, 8451, 9390, 11250, 11268, 13500, 14085, 15650, 16875, 16902, 18780, 22500, 23475, 28170, 31300, 33750, 33804, 39125, 42255, 46950, 56340, 67500, 70425, 78250, 84510, 93900, 117375, 140850, 156500, 169020, 195625, 211275, 234750, 281700, 352125, 391250, 422550, 469500, 586875, 704250, 782500, 845100, 1056375, 1173750, 1408500, 1760625, 2112750, 2347500, 3521250, 4225500, 5281875, 7042500, 10563750, 21127500]

約数ペア:

[(1, 21127500), (2, 10563750), (3, 7042500), (4, 5281875), (5, 4225500), (6, 3521250), (9, 2347500), (10, 2112750), (12, 1760625), (15, 1408500), (18, 1173750), (20, 1056375), (25, 845100), (27, 782500), (30, 704250), (36, 586875), (45, 469500), (50, 422550), (54, 391250), (60, 352125), (75, 281700), (90, 234750), (100, 211275), (108, 195625), (125, 169020), (135, 156500), (150, 140850), (180, 117375), (225, 93900), (250, 84510), (270, 78250), (300, 70425), (313, 67500), (375, 56340), (450, 46950), (500, 42255), (540, 39125), (625, 33804), (626, 33750), (675, 31300), (750, 28170), (900, 23475), (939, 22500), (1125, 18780), (1250, 16902), (1252, 16875), (1350, 15650), (1500, 14085), (1565, 13500), (1875, 11268), (1878, 11250), (2250, 9390), (2500, 8451), (2700, 7825), (2817, 7500), (3130, 6750), (3375, 6260), (3750, 5634), (3756, 5625), (4500, 4695)]