21836774780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1\times {\mathrm{32369}}^1$

素因数の和:32846

約数の個数: 48

約数和(自身を含む): 46496268000

約数和(自身を除く): 24659493220

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 379, 445, 758, 890, 1516, 1780, 1895, 3790, 7580, 32369, 33731, 64738, 67462, 129476, 134924, 161845, 168655, 323690, 337310, 647380, 674620, 2880841, 5761682, 11523364, 12267851, 14404205, 24535702, 28808410, 49071404, 57616820, 61339255, 122678510, 245357020, 1091838739, 2183677478, 4367354956, 5459193695, 10918387390, 21836774780]

約数ペア:

[(1, 21836774780), (2, 10918387390), (4, 5459193695), (5, 4367354956), (10, 2183677478), (20, 1091838739), (89, 245357020), (178, 122678510), (356, 61339255), (379, 57616820), (445, 49071404), (758, 28808410), (890, 24535702), (1516, 14404205), (1780, 12267851), (1895, 11523364), (3790, 5761682), (7580, 2880841), (32369, 674620), (33731, 647380), (64738, 337310), (67462, 323690), (129476, 168655), (134924, 161845)]