21292012

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7529}}^1$

素因数の和:7641

約数の個数: 24

約数和(自身を含む): 43011360

約数和(自身を除く): 21719348

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7529, 15058, 30116, 52703, 105406, 210812, 760429, 1520858, 3041716, 5323003, 10646006, 21292012]

約数ペア:

[(1, 21292012), (2, 10646006), (4, 5323003), (7, 3041716), (14, 1520858), (28, 760429), (101, 210812), (202, 105406), (404, 52703), (707, 30116), (1414, 15058), (2828, 7529)]