21520350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 62496000

約数和(自身を除く): 40975650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 75, 90, 95, 114, 135, 150, 171, 190, 225, 270, 285, 342, 450, 475, 513, 570, 675, 839, 855, 950, 1026, 1350, 1425, 1678, 1710, 2517, 2565, 2850, 4195, 4275, 5034, 5130, 7551, 8390, 8550, 12585, 12825, 15102, 15941, 20975, 22653, 25170, 25650, 31882, 37755, 41950, 45306, 47823, 62925, 75510, 79705, 95646, 113265, 125850, 143469, 159410, 188775, 226530, 239115, 286938, 377550, 398525, 430407, 478230, 566325, 717345, 797050, 860814, 1132650, 1195575, 1434690, 2152035, 2391150, 3586725, 4304070, 7173450, 10760175, 21520350]

約数ペア:

[(1, 21520350), (2, 10760175), (3, 7173450), (5, 4304070), (6, 3586725), (9, 2391150), (10, 2152035), (15, 1434690), (18, 1195575), (19, 1132650), (25, 860814), (27, 797050), (30, 717345), (38, 566325), (45, 478230), (50, 430407), (54, 398525), (57, 377550), (75, 286938), (90, 239115), (95, 226530), (114, 188775), (135, 159410), (150, 143469), (171, 125850), (190, 113265), (225, 95646), (270, 79705), (285, 75510), (342, 62925), (450, 47823), (475, 45306), (513, 41950), (570, 37755), (675, 31882), (839, 25650), (855, 25170), (950, 22653), (1026, 20975), (1350, 15941), (1425, 15102), (1678, 12825), (1710, 12585), (2517, 8550), (2565, 8390), (2850, 7551), (4195, 5130), (4275, 5034)]