21436191

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3911}}^1$

素因数の和:3956

約数の個数: 32

約数和(自身を含む): 37555200

約数和(自身を除く): 16119009

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3911, 5481, 11733, 27377, 35199, 82131, 105597, 113419, 246393, 340257, 739179, 793933, 1020771, 2381799, 3062313, 7145397, 21436191]

約数ペア:

[(1, 21436191), (3, 7145397), (7, 3062313), (9, 2381799), (21, 1020771), (27, 793933), (29, 739179), (63, 340257), (87, 246393), (189, 113419), (203, 105597), (261, 82131), (609, 35199), (783, 27377), (1827, 11733), (3911, 5481)]