21670012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 47965120

約数和(自身を除く): 26295108

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1609, 1924, 3218, 3367, 6436, 6734, 11263, 13468, 20917, 22526, 41834, 45052, 59533, 83668, 119066, 146419, 238132, 292838, 416731, 585676, 773929, 833462, 1547858, 1666924, 3095716, 5417503, 10835006, 21670012]

約数ペア:

[(1, 21670012), (2, 10835006), (4, 5417503), (7, 3095716), (13, 1666924), (14, 1547858), (26, 833462), (28, 773929), (37, 585676), (52, 416731), (74, 292838), (91, 238132), (148, 146419), (182, 119066), (259, 83668), (364, 59533), (481, 45052), (518, 41834), (962, 22526), (1036, 20917), (1609, 13468), (1924, 11263), (3218, 6734), (3367, 6436)]