21309090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2135

約数の個数: 64

約数和(自身を含む): 57618432

約数和(自身を除く): 36309342

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 2046, 2083, 3410, 4166, 5115, 6249, 10230, 10415, 12498, 20830, 22913, 31245, 45826, 62490, 64573, 68739, 114565, 129146, 137478, 193719, 229130, 322865, 343695, 387438, 645730, 687390, 710303, 968595, 1420606, 1937190, 2130909, 3551515, 4261818, 7103030, 10654545, 21309090]

約数ペア:

[(1, 21309090), (2, 10654545), (3, 7103030), (5, 4261818), (6, 3551515), (10, 2130909), (11, 1937190), (15, 1420606), (22, 968595), (30, 710303), (31, 687390), (33, 645730), (55, 387438), (62, 343695), (66, 322865), (93, 229130), (110, 193719), (155, 137478), (165, 129146), (186, 114565), (310, 68739), (330, 64573), (341, 62490), (465, 45826), (682, 31245), (930, 22913), (1023, 20830), (1705, 12498), (2046, 10415), (2083, 10230), (3410, 6249), (4166, 5115)]