21407572

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 40010656

約数和(自身を除く): 18603084

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 151, 268, 302, 529, 604, 1058, 1541, 2116, 3082, 3473, 6164, 6946, 10117, 13892, 20234, 35443, 40468, 70886, 79879, 141772, 159758, 232691, 319516, 465382, 930764, 5351893, 10703786, 21407572]

約数ペア:

[(1, 21407572), (2, 10703786), (4, 5351893), (23, 930764), (46, 465382), (67, 319516), (92, 232691), (134, 159758), (151, 141772), (268, 79879), (302, 70886), (529, 40468), (604, 35443), (1058, 20234), (1541, 13892), (2116, 10117), (3082, 6946), (3473, 6164)]