21085394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 15409966

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 682, 719, 946, 1333, 1438, 2666, 7909, 14663, 15818, 22289, 29326, 30917, 44578, 61834, 245179, 340087, 490358, 680174, 958427, 1916854, 10542697, 21085394]

約数ペア:

[(1, 21085394), (2, 10542697), (11, 1916854), (22, 958427), (31, 680174), (43, 490358), (62, 340087), (86, 245179), (341, 61834), (473, 44578), (682, 30917), (719, 29326), (946, 22289), (1333, 15818), (1438, 14663), (2666, 7909)]