21132783

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3769}}^1$

素因数の和:3871

約数の個数: 24

約数和(自身を含む): 35287200

約数和(自身を除く): 14154417

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3769, 5607, 11307, 26383, 33921, 79149, 237447, 335441, 1006323, 2348087, 3018969, 7044261, 21132783]

約数ペア:

[(1, 21132783), (3, 7044261), (7, 3018969), (9, 2348087), (21, 1006323), (63, 335441), (89, 237447), (267, 79149), (623, 33921), (801, 26383), (1869, 11307), (3769, 5607)]