21625080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{587}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 65197440

約数和(自身を除く): 43572360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 587, 614, 921, 1174, 1228, 1535, 1761, 1842, 2348, 2456, 2935, 3070, 3522, 3684, 4605, 4696, 5870, 6140, 7044, 7368, 8805, 9210, 11740, 12280, 14088, 17610, 18420, 23480, 35220, 36840, 70440, 180209, 360418, 540627, 720836, 901045, 1081254, 1441672, 1802090, 2162508, 2703135, 3604180, 4325016, 5406270, 7208360, 10812540, 21625080]

約数ペア:

[(1, 21625080), (2, 10812540), (3, 7208360), (4, 5406270), (5, 4325016), (6, 3604180), (8, 2703135), (10, 2162508), (12, 1802090), (15, 1441672), (20, 1081254), (24, 901045), (30, 720836), (40, 540627), (60, 360418), (120, 180209), (307, 70440), (587, 36840), (614, 35220), (921, 23480), (1174, 18420), (1228, 17610), (1535, 14088), (1761, 12280), (1842, 11740), (2348, 9210), (2456, 8805), (2935, 7368), (3070, 7044), (3522, 6140), (3684, 5870), (4605, 4696)]