21553880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{9133}}^1$

素因数の和:9203

約数の個数: 32

約数和(自身を含む): 49323600

約数和(自身を除く): 27769720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 9133, 18266, 36532, 45665, 73064, 91330, 182660, 365320, 538847, 1077694, 2155388, 2694235, 4310776, 5388470, 10776940, 21553880]

約数ペア:

[(1, 21553880), (2, 10776940), (4, 5388470), (5, 4310776), (8, 2694235), (10, 2155388), (20, 1077694), (40, 538847), (59, 365320), (118, 182660), (236, 91330), (295, 73064), (472, 45665), (590, 36532), (1180, 18266), (2360, 9133)]