21851410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3761}}^1$

素因数の和:3858

約数の個数: 32

約数和(自身を含む): 45505152

約数和(自身を除く): 23653742

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3761, 5810, 7522, 18805, 26327, 37610, 52654, 131635, 263270, 312163, 624326, 1560815, 2185141, 3121630, 4370282, 10925705, 21851410]

約数ペア:

[(1, 21851410), (2, 10925705), (5, 4370282), (7, 3121630), (10, 2185141), (14, 1560815), (35, 624326), (70, 312163), (83, 263270), (166, 131635), (415, 52654), (581, 37610), (830, 26327), (1162, 18805), (2905, 7522), (3761, 5810)]