21725424

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{3079}}^1$

素因数の和:3107

約数の個数: 90

約数和(自身を含む): 70750680

約数和(自身を除く): 49025256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3079, 3528, 6158, 7056, 9237, 12316, 18474, 21553, 24632, 27711, 36948, 43106, 49264, 55422, 64659, 73896, 86212, 110844, 129318, 147792, 150871, 172424, 193977, 221688, 258636, 301742, 344848, 387954, 443376, 452613, 517272, 603484, 775908, 905226, 1034544, 1206968, 1357839, 1551816, 1810452, 2413936, 2715678, 3103632, 3620904, 5431356, 7241808, 10862712, 21725424]

約数ペア:

[(1, 21725424), (2, 10862712), (3, 7241808), (4, 5431356), (6, 3620904), (7, 3103632), (8, 2715678), (9, 2413936), (12, 1810452), (14, 1551816), (16, 1357839), (18, 1206968), (21, 1034544), (24, 905226), (28, 775908), (36, 603484), (42, 517272), (48, 452613), (49, 443376), (56, 387954), (63, 344848), (72, 301742), (84, 258636), (98, 221688), (112, 193977), (126, 172424), (144, 150871), (147, 147792), (168, 129318), (196, 110844), (252, 86212), (294, 73896), (336, 64659), (392, 55422), (441, 49264), (504, 43106), (588, 36948), (784, 27711), (882, 24632), (1008, 21553), (1176, 18474), (1764, 12316), (2352, 9237), (3079, 7056), (3528, 6158)]