21701498

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 20876422

約数列:

[1, 2, 7, 13, 14, 26, 43, 47, 59, 86, 91, 94, 118, 182, 301, 329, 413, 559, 602, 611, 658, 767, 826, 1118, 1222, 1534, 2021, 2537, 2773, 3913, 4042, 4277, 5074, 5369, 5546, 7826, 8554, 10738, 14147, 17759, 19411, 26273, 28294, 32981, 35518, 36049, 38822, 52546, 65962, 72098, 119239, 183911, 230867, 238478, 252343, 367822, 461734, 504686, 834673, 1550107, 1669346, 3100214, 10850749, 21701498]

約数ペア:

[(1, 21701498), (2, 10850749), (7, 3100214), (13, 1669346), (14, 1550107), (26, 834673), (43, 504686), (47, 461734), (59, 367822), (86, 252343), (91, 238478), (94, 230867), (118, 183911), (182, 119239), (301, 72098), (329, 65962), (413, 52546), (559, 38822), (602, 36049), (611, 35518), (658, 32981), (767, 28294), (826, 26273), (1118, 19411), (1222, 17759), (1534, 14147), (2021, 10738), (2537, 8554), (2773, 7826), (3913, 5546), (4042, 5369), (4277, 5074)]