21263172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253133}}^1$

素因数の和:253147

約数の個数: 24

約数和(自身を含む): 56702016

約数和(自身を除く): 35438844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253133, 506266, 759399, 1012532, 1518798, 1771931, 3037596, 3543862, 5315793, 7087724, 10631586, 21263172]

約数ペア:

[(1, 21263172), (2, 10631586), (3, 7087724), (4, 5315793), (6, 3543862), (7, 3037596), (12, 1771931), (14, 1518798), (21, 1012532), (28, 759399), (42, 506266), (84, 253133)]