20211005948

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1\times {\mathrm{9769}}^1$

素因数の和:11814

約数の個数: 48

約数和(自身を含む): 41539538880

約数和(自身を除く): 21328532932

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 1997, 3994, 7988, 9769, 13979, 19538, 27958, 39076, 55916, 68383, 73889, 136766, 147778, 273532, 295556, 361453, 517223, 722906, 1034446, 1445812, 2068892, 2530171, 5060342, 10120684, 19508693, 39017386, 78034772, 136560851, 273121702, 546243404, 721821641, 1443643282, 2887286564, 5052751487, 10105502974, 20211005948]

約数ペア:

[(1, 20211005948), (2, 10105502974), (4, 5052751487), (7, 2887286564), (14, 1443643282), (28, 721821641), (37, 546243404), (74, 273121702), (148, 136560851), (259, 78034772), (518, 39017386), (1036, 19508693), (1997, 10120684), (3994, 5060342), (7988, 2530171), (9769, 2068892), (13979, 1445812), (19538, 1034446), (27958, 722906), (39076, 517223), (55916, 361453), (68383, 295556), (73889, 273532), (136766, 147778)]