21640350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 54304560

約数和(自身を除く): 32664210

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 89, 150, 178, 267, 445, 534, 890, 1335, 1621, 2225, 2670, 3242, 4450, 4863, 6675, 8105, 9726, 13350, 16210, 24315, 40525, 48630, 81050, 121575, 144269, 243150, 288538, 432807, 721345, 865614, 1442690, 2164035, 3606725, 4328070, 7213450, 10820175, 21640350]

約数ペア:

[(1, 21640350), (2, 10820175), (3, 7213450), (5, 4328070), (6, 3606725), (10, 2164035), (15, 1442690), (25, 865614), (30, 721345), (50, 432807), (75, 288538), (89, 243150), (150, 144269), (178, 121575), (267, 81050), (445, 48630), (534, 40525), (890, 24315), (1335, 16210), (1621, 13350), (2225, 9726), (2670, 8105), (3242, 6675), (4450, 4863)]