21001162

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 21092918

約数列:

[1, 2, 7, 13, 14, 23, 26, 29, 46, 58, 91, 161, 173, 182, 203, 299, 322, 346, 377, 406, 598, 667, 754, 1211, 1334, 2093, 2249, 2422, 2639, 3979, 4186, 4498, 4669, 5017, 5278, 7958, 8671, 9338, 10034, 15743, 17342, 27853, 31486, 35119, 51727, 55706, 60697, 65221, 70238, 103454, 115391, 121394, 130442, 230782, 362089, 456547, 724178, 807737, 913094, 1500083, 1615474, 3000166, 10500581, 21001162]

約数ペア:

[(1, 21001162), (2, 10500581), (7, 3000166), (13, 1615474), (14, 1500083), (23, 913094), (26, 807737), (29, 724178), (46, 456547), (58, 362089), (91, 230782), (161, 130442), (173, 121394), (182, 115391), (203, 103454), (299, 70238), (322, 65221), (346, 60697), (377, 55706), (406, 51727), (598, 35119), (667, 31486), (754, 27853), (1211, 17342), (1334, 15743), (2093, 10034), (2249, 9338), (2422, 8671), (2639, 7958), (3979, 5278), (4186, 5017), (4498, 4669)]