21520905720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1676083}}^1$

素因数の和:1676204

約数の個数: 64

約数和(自身を含む): 65166145920

約数和(自身を除く): 43645240200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 1676083, 3352166, 5028249, 6704332, 8380415, 10056498, 13408664, 16760830, 20112996, 25141245, 33521660, 40225992, 50282490, 67043320, 100564980, 179340881, 201129960, 358681762, 538022643, 717363524, 896704405, 1076045286, 1434727048, 1793408810, 2152090572, 2690113215, 3586817620, 4304181144, 5380226430, 7173635240, 10760452860, 21520905720]

約数ペア:

[(1, 21520905720), (2, 10760452860), (3, 7173635240), (4, 5380226430), (5, 4304181144), (6, 3586817620), (8, 2690113215), (10, 2152090572), (12, 1793408810), (15, 1434727048), (20, 1076045286), (24, 896704405), (30, 717363524), (40, 538022643), (60, 358681762), (107, 201129960), (120, 179340881), (214, 100564980), (321, 67043320), (428, 50282490), (535, 40225992), (642, 33521660), (856, 25141245), (1070, 20112996), (1284, 16760830), (1605, 13408664), (2140, 10056498), (2568, 8380415), (3210, 6704332), (4280, 5028249), (6420, 3352166), (12840, 1676083)]