21170400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8821}}^1$

素因数の和:8844

約数の個数: 72

約数和(自身を含む): 68917464

約数和(自身を除く): 47747064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8821, 17642, 26463, 35284, 44105, 52926, 70568, 88210, 105852, 132315, 141136, 176420, 211704, 220525, 264630, 282272, 352840, 423408, 441050, 529260, 661575, 705680, 846816, 882100, 1058520, 1323150, 1411360, 1764200, 2117040, 2646300, 3528400, 4234080, 5292600, 7056800, 10585200, 21170400]

約数ペア:

[(1, 21170400), (2, 10585200), (3, 7056800), (4, 5292600), (5, 4234080), (6, 3528400), (8, 2646300), (10, 2117040), (12, 1764200), (15, 1411360), (16, 1323150), (20, 1058520), (24, 882100), (25, 846816), (30, 705680), (32, 661575), (40, 529260), (48, 441050), (50, 423408), (60, 352840), (75, 282272), (80, 264630), (96, 220525), (100, 211704), (120, 176420), (150, 141136), (160, 132315), (200, 105852), (240, 88210), (300, 70568), (400, 52926), (480, 44105), (600, 35284), (800, 26463), (1200, 17642), (2400, 8821)]