21135912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 61057920

約数和(自身を除く): 39922008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 97, 168, 194, 291, 388, 582, 679, 776, 1164, 1297, 1358, 2037, 2328, 2594, 2716, 3891, 4074, 5188, 5432, 7782, 8148, 9079, 10376, 15564, 16296, 18158, 27237, 31128, 36316, 54474, 72632, 108948, 125809, 217896, 251618, 377427, 503236, 754854, 880663, 1006472, 1509708, 1761326, 2641989, 3019416, 3522652, 5283978, 7045304, 10567956, 21135912]

約数ペア:

[(1, 21135912), (2, 10567956), (3, 7045304), (4, 5283978), (6, 3522652), (7, 3019416), (8, 2641989), (12, 1761326), (14, 1509708), (21, 1006472), (24, 880663), (28, 754854), (42, 503236), (56, 377427), (84, 251618), (97, 217896), (168, 125809), (194, 108948), (291, 72632), (388, 54474), (582, 36316), (679, 31128), (776, 27237), (1164, 18158), (1297, 16296), (1358, 15564), (2037, 10376), (2328, 9079), (2594, 8148), (2716, 7782), (3891, 5432), (4074, 5188)]