21249634

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7477}}^1$

素因数の和:7522

約数の個数: 24

約数和(自身を含む): 38362140

約数和(自身を除く): 17112506

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7477, 14954, 52339, 104678, 216833, 366373, 433666, 732746, 1517831, 3035662, 10624817, 21249634]

約数ペア:

[(1, 21249634), (2, 10624817), (7, 3035662), (14, 1517831), (29, 732746), (49, 433666), (58, 366373), (98, 216833), (203, 104678), (406, 52339), (1421, 14954), (2842, 7477)]