21290514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{937}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 48806016

約数和(自身を除く): 27515502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 541, 937, 1082, 1623, 1874, 2811, 3246, 3787, 5622, 6559, 7574, 11361, 13118, 19677, 22722, 39354, 506917, 1013834, 1520751, 3041502, 3548419, 7096838, 10645257, 21290514]

約数ペア:

[(1, 21290514), (2, 10645257), (3, 7096838), (6, 3548419), (7, 3041502), (14, 1520751), (21, 1013834), (42, 506917), (541, 39354), (937, 22722), (1082, 19677), (1623, 13118), (1874, 11361), (2811, 7574), (3246, 6559), (3787, 5622)]