21320550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{929}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 62272800

約数和(自身を除く): 40952250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 135, 150, 153, 170, 225, 255, 270, 306, 425, 450, 459, 510, 675, 765, 850, 918, 929, 1275, 1350, 1530, 1858, 2295, 2550, 2787, 3825, 4590, 4645, 5574, 7650, 8361, 9290, 11475, 13935, 15793, 16722, 22950, 23225, 25083, 27870, 31586, 41805, 46450, 47379, 50166, 69675, 78965, 83610, 94758, 125415, 139350, 142137, 157930, 209025, 236895, 250830, 284274, 394825, 418050, 426411, 473790, 627075, 710685, 789650, 852822, 1184475, 1254150, 1421370, 2132055, 2368950, 3553425, 4264110, 7106850, 10660275, 21320550]

約数ペア:

[(1, 21320550), (2, 10660275), (3, 7106850), (5, 4264110), (6, 3553425), (9, 2368950), (10, 2132055), (15, 1421370), (17, 1254150), (18, 1184475), (25, 852822), (27, 789650), (30, 710685), (34, 627075), (45, 473790), (50, 426411), (51, 418050), (54, 394825), (75, 284274), (85, 250830), (90, 236895), (102, 209025), (135, 157930), (150, 142137), (153, 139350), (170, 125415), (225, 94758), (255, 83610), (270, 78965), (306, 69675), (425, 50166), (450, 47379), (459, 46450), (510, 41805), (675, 31586), (765, 27870), (850, 25083), (918, 23225), (929, 22950), (1275, 16722), (1350, 15793), (1530, 13935), (1858, 11475), (2295, 9290), (2550, 8361), (2787, 7650), (3825, 5574), (4590, 4645)]