21861510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2189

約数の個数: 64

約数和(自身を含む): 59111424

約数和(自身を除く): 37249914

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, 2137, 3410, 4274, 5115, 6411, 10230, 10685, 12822, 21370, 23507, 32055, 47014, 64110, 66247, 70521, 117535, 132494, 141042, 198741, 235070, 331235, 352605, 397482, 662470, 705210, 728717, 993705, 1457434, 1987410, 2186151, 3643585, 4372302, 7287170, 10930755, 21861510]

約数ペア:

[(1, 21861510), (2, 10930755), (3, 7287170), (5, 4372302), (6, 3643585), (10, 2186151), (11, 1987410), (15, 1457434), (22, 993705), (30, 728717), (31, 705210), (33, 662470), (55, 397482), (62, 352605), (66, 331235), (93, 235070), (110, 198741), (155, 141042), (165, 132494), (186, 117535), (310, 70521), (330, 66247), (341, 64110), (465, 47014), (682, 32055), (930, 23507), (1023, 21370), (1705, 12822), (2046, 10685), (2137, 10230), (3410, 6411), (4274, 5115)]