21590550

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{1777}}^1$

素因数の和:1804

約数の個数: 72

約数和(自身を含む): 60188856

約数和(自身を除く): 38598306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 1215, 1350, 1777, 2025, 2430, 3554, 4050, 5331, 6075, 8885, 10662, 12150, 15993, 17770, 26655, 31986, 44425, 47979, 53310, 79965, 88850, 95958, 133275, 143937, 159930, 239895, 266550, 287874, 399825, 431811, 479790, 719685, 799650, 863622, 1199475, 1439370, 2159055, 2398950, 3598425, 4318110, 7196850, 10795275, 21590550]

約数ペア:

[(1, 21590550), (2, 10795275), (3, 7196850), (5, 4318110), (6, 3598425), (9, 2398950), (10, 2159055), (15, 1439370), (18, 1199475), (25, 863622), (27, 799650), (30, 719685), (45, 479790), (50, 431811), (54, 399825), (75, 287874), (81, 266550), (90, 239895), (135, 159930), (150, 143937), (162, 133275), (225, 95958), (243, 88850), (270, 79965), (405, 53310), (450, 47979), (486, 44425), (675, 31986), (810, 26655), (1215, 17770), (1350, 15993), (1777, 12150), (2025, 10662), (2430, 8885), (3554, 6075), (4050, 5331)]