21227454

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7417}}^1$

素因数の和:7481

約数の個数: 32

約数和(自身を含む): 48068640

約数和(自身を除く): 26841186

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 7417, 14834, 22251, 44502, 66753, 133506, 200259, 393101, 400518, 786202, 1179303, 2358606, 3537909, 7075818, 10613727, 21227454]

約数ペア:

[(1, 21227454), (2, 10613727), (3, 7075818), (6, 3537909), (9, 2358606), (18, 1179303), (27, 786202), (53, 400518), (54, 393101), (106, 200259), (159, 133506), (318, 66753), (477, 44502), (954, 22251), (1431, 14834), (2862, 7417)]