21406896

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{7079}}^1$

素因数の和:7103

約数の個数: 80

約数和(自身を含む): 70233600

約数和(自身を除く): 48826704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 7079, 14158, 21237, 28316, 42474, 49553, 56632, 63711, 84948, 99106, 113264, 127422, 148659, 169896, 191133, 198212, 254844, 297318, 339792, 382266, 396424, 445977, 509688, 594636, 764532, 792848, 891954, 1019376, 1189272, 1337931, 1529064, 1783908, 2378544, 2675862, 3058128, 3567816, 5351724, 7135632, 10703448, 21406896]

約数ペア:

[(1, 21406896), (2, 10703448), (3, 7135632), (4, 5351724), (6, 3567816), (7, 3058128), (8, 2675862), (9, 2378544), (12, 1783908), (14, 1529064), (16, 1337931), (18, 1189272), (21, 1019376), (24, 891954), (27, 792848), (28, 764532), (36, 594636), (42, 509688), (48, 445977), (54, 396424), (56, 382266), (63, 339792), (72, 297318), (84, 254844), (108, 198212), (112, 191133), (126, 169896), (144, 148659), (168, 127422), (189, 113264), (216, 99106), (252, 84948), (336, 63711), (378, 56632), (432, 49553), (504, 42474), (756, 28316), (1008, 21237), (1512, 14158), (3024, 7079)]