21200700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4157}}^1$

素因数の和:4191

約数の個数: 72

約数和(自身を含む): 64964592

約数和(自身を除く): 43763892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4157, 5100, 8314, 12471, 16628, 20785, 24942, 41570, 49884, 62355, 70669, 83140, 103925, 124710, 141338, 207850, 212007, 249420, 282676, 311775, 353345, 415700, 424014, 623550, 706690, 848028, 1060035, 1247100, 1413380, 1766725, 2120070, 3533450, 4240140, 5300175, 7066900, 10600350, 21200700]

約数ペア:

[(1, 21200700), (2, 10600350), (3, 7066900), (4, 5300175), (5, 4240140), (6, 3533450), (10, 2120070), (12, 1766725), (15, 1413380), (17, 1247100), (20, 1060035), (25, 848028), (30, 706690), (34, 623550), (50, 424014), (51, 415700), (60, 353345), (68, 311775), (75, 282676), (85, 249420), (100, 212007), (102, 207850), (150, 141338), (170, 124710), (204, 103925), (255, 83140), (300, 70669), (340, 62355), (425, 49884), (510, 41570), (850, 24942), (1020, 20785), (1275, 16628), (1700, 12471), (2550, 8314), (4157, 5100)]