21061260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{967}}^1$

素因数の和:1004

約数の個数: 108

約数和(自身を含む): 70294224

約数和(自身を除く): 49232964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 967, 990, 1089, 1210, 1452, 1815, 1934, 1980, 2178, 2420, 2901, 3630, 3868, 4356, 4835, 5445, 5802, 7260, 8703, 9670, 10637, 10890, 11604, 14505, 17406, 19340, 21274, 21780, 29010, 31911, 34812, 42548, 43515, 53185, 58020, 63822, 87030, 95733, 106370, 117007, 127644, 159555, 174060, 191466, 212740, 234014, 319110, 351021, 382932, 468028, 478665, 585035, 638220, 702042, 957330, 1053063, 1170070, 1404084, 1755105, 1914660, 2106126, 2340140, 3510210, 4212252, 5265315, 7020420, 10530630, 21061260]

約数ペア:

[(1, 21061260), (2, 10530630), (3, 7020420), (4, 5265315), (5, 4212252), (6, 3510210), (9, 2340140), (10, 2106126), (11, 1914660), (12, 1755105), (15, 1404084), (18, 1170070), (20, 1053063), (22, 957330), (30, 702042), (33, 638220), (36, 585035), (44, 478665), (45, 468028), (55, 382932), (60, 351021), (66, 319110), (90, 234014), (99, 212740), (110, 191466), (121, 174060), (132, 159555), (165, 127644), (180, 117007), (198, 106370), (220, 95733), (242, 87030), (330, 63822), (363, 58020), (396, 53185), (484, 43515), (495, 42548), (605, 34812), (660, 31911), (726, 29010), (967, 21780), (990, 21274), (1089, 19340), (1210, 17406), (1452, 14505), (1815, 11604), (1934, 10890), (1980, 10637), (2178, 9670), (2420, 8703), (2901, 7260), (3630, 5802), (3868, 5445), (4356, 4835)]