21211508710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9697}}^1\times {\mathrm{31249}}^1$

素因数の和:40960

約数の個数: 32

約数和(自身を含む): 43641000000

約数和(自身を除く): 22429491290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9697, 19394, 31249, 48485, 62498, 67879, 96970, 135758, 156245, 218743, 312490, 339395, 437486, 678790, 1093715, 2187430, 303021553, 606043106, 1515107765, 2121150871, 3030215530, 4242301742, 10605754355, 21211508710]

約数ペア:

[(1, 21211508710), (2, 10605754355), (5, 4242301742), (7, 3030215530), (10, 2121150871), (14, 1515107765), (35, 606043106), (70, 303021553), (9697, 2187430), (19394, 1093715), (31249, 678790), (48485, 437486), (62498, 339395), (67879, 312490), (96970, 218743), (135758, 156245)]