21244500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4721}}^1$

素因数の和:4746

約数の個数: 72

約数和(自身を含む): 67033512

約数和(自身を除く): 45789012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4721, 9442, 14163, 18884, 23605, 28326, 42489, 47210, 56652, 70815, 84978, 94420, 118025, 141630, 169956, 212445, 236050, 283260, 354075, 424890, 472100, 590125, 708150, 849780, 1062225, 1180250, 1416300, 1770375, 2124450, 2360500, 3540750, 4248900, 5311125, 7081500, 10622250, 21244500]

約数ペア:

[(1, 21244500), (2, 10622250), (3, 7081500), (4, 5311125), (5, 4248900), (6, 3540750), (9, 2360500), (10, 2124450), (12, 1770375), (15, 1416300), (18, 1180250), (20, 1062225), (25, 849780), (30, 708150), (36, 590125), (45, 472100), (50, 424890), (60, 354075), (75, 283260), (90, 236050), (100, 212445), (125, 169956), (150, 141630), (180, 118025), (225, 94420), (250, 84978), (300, 70815), (375, 56652), (450, 47210), (500, 42489), (750, 28326), (900, 23605), (1125, 18884), (1500, 14163), (2250, 9442), (4500, 4721)]