21256536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4363}}^1$

素因数の和:4408

約数の個数: 64

約数和(自身を含む): 62841600

約数和(自身を除く): 41585064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4363, 4872, 8726, 13089, 17452, 26178, 30541, 34904, 52356, 61082, 91623, 104712, 122164, 126527, 183246, 244328, 253054, 366492, 379581, 506108, 732984, 759162, 885689, 1012216, 1518324, 1771378, 2657067, 3036648, 3542756, 5314134, 7085512, 10628268, 21256536]

約数ペア:

[(1, 21256536), (2, 10628268), (3, 7085512), (4, 5314134), (6, 3542756), (7, 3036648), (8, 2657067), (12, 1771378), (14, 1518324), (21, 1012216), (24, 885689), (28, 759162), (29, 732984), (42, 506108), (56, 379581), (58, 366492), (84, 253054), (87, 244328), (116, 183246), (168, 126527), (174, 122164), (203, 104712), (232, 91623), (348, 61082), (406, 52356), (609, 34904), (696, 30541), (812, 26178), (1218, 17452), (1624, 13089), (2436, 8726), (4363, 4872)]