21284610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9719}}^1$

素因数の和:9802

約数の個数: 32

約数和(自身を含む): 51788160

約数和(自身を除く): 30503550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9719, 19438, 29157, 48595, 58314, 97190, 145785, 291570, 709487, 1418974, 2128461, 3547435, 4256922, 7094870, 10642305, 21284610]

約数ペア:

[(1, 21284610), (2, 10642305), (3, 7094870), (5, 4256922), (6, 3547435), (10, 2128461), (15, 1418974), (30, 709487), (73, 291570), (146, 145785), (219, 97190), (365, 58314), (438, 48595), (730, 29157), (1095, 19438), (2190, 9719)]