21060524240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{210101}}^1$

素因数の和:210300

約数の個数: 80

約数和(自身を含む): 56273719680

約数和(自身を除く): 35213195440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 179, 280, 358, 560, 716, 895, 1253, 1432, 1790, 2506, 2864, 3580, 5012, 6265, 7160, 10024, 12530, 14320, 20048, 25060, 50120, 100240, 210101, 420202, 840404, 1050505, 1470707, 1680808, 2101010, 2941414, 3361616, 4202020, 5882828, 7353535, 8404040, 11765656, 14707070, 16808080, 23531312, 29414140, 37608079, 58828280, 75216158, 117656560, 150432316, 188040395, 263256553, 300864632, 376080790, 526513106, 601729264, 752161580, 1053026212, 1316282765, 1504323160, 2106052424, 2632565530, 3008646320, 4212104848, 5265131060, 10530262120, 21060524240]

約数ペア:

[(1, 21060524240), (2, 10530262120), (4, 5265131060), (5, 4212104848), (7, 3008646320), (8, 2632565530), (10, 2106052424), (14, 1504323160), (16, 1316282765), (20, 1053026212), (28, 752161580), (35, 601729264), (40, 526513106), (56, 376080790), (70, 300864632), (80, 263256553), (112, 188040395), (140, 150432316), (179, 117656560), (280, 75216158), (358, 58828280), (560, 37608079), (716, 29414140), (895, 23531312), (1253, 16808080), (1432, 14707070), (1790, 11765656), (2506, 8404040), (2864, 7353535), (3580, 5882828), (5012, 4202020), (6265, 3361616), (7160, 2941414), (10024, 2101010), (12530, 1680808), (14320, 1470707), (20048, 1050505), (25060, 840404), (50120, 420202), (100240, 210101)]