21894588

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1487}}^1$

素因数の和:1906

約数の個数: 36

約数和(自身を含む): 55517280

約数和(自身を除く): 33622692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1487, 1636, 2454, 2974, 3681, 4461, 4908, 5948, 7362, 8922, 13383, 14724, 17844, 26766, 53532, 608183, 1216366, 1824549, 2432732, 3649098, 5473647, 7298196, 10947294, 21894588]

約数ペア:

[(1, 21894588), (2, 10947294), (3, 7298196), (4, 5473647), (6, 3649098), (9, 2432732), (12, 1824549), (18, 1216366), (36, 608183), (409, 53532), (818, 26766), (1227, 17844), (1487, 14724), (1636, 13383), (2454, 8922), (2974, 7362), (3681, 5948), (4461, 4908)]