21437306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 39253248

約数和(自身を除く): 17815942

約数列:

[1, 2, 11, 17, 22, 31, 34, 43, 62, 86, 187, 341, 374, 473, 527, 682, 731, 946, 1054, 1333, 1462, 1849, 2666, 3698, 5797, 8041, 11594, 14663, 16082, 20339, 22661, 29326, 31433, 40678, 45322, 57319, 62866, 114638, 249271, 345763, 498542, 630509, 691526, 974423, 1261018, 1948846, 10718653, 21437306]

約数ペア:

[(1, 21437306), (2, 10718653), (11, 1948846), (17, 1261018), (22, 974423), (31, 691526), (34, 630509), (43, 498542), (62, 345763), (86, 249271), (187, 114638), (341, 62866), (374, 57319), (473, 45322), (527, 40678), (682, 31433), (731, 29326), (946, 22661), (1054, 20339), (1333, 16082), (1462, 14663), (1849, 11594), (2666, 8041), (3698, 5797)]