21511644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 64684032

約数和(自身を除く): 43172388

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 31, 33, 42, 44, 62, 66, 77, 84, 93, 124, 132, 154, 186, 217, 231, 308, 341, 372, 434, 462, 651, 682, 751, 868, 924, 1023, 1302, 1364, 1502, 2046, 2253, 2387, 2604, 3004, 4092, 4506, 4774, 5257, 7161, 8261, 9012, 9548, 10514, 14322, 15771, 16522, 21028, 23281, 24783, 28644, 31542, 33044, 46562, 49566, 57827, 63084, 69843, 93124, 99132, 115654, 139686, 162967, 173481, 231308, 256091, 279372, 325934, 346962, 488901, 512182, 651868, 693924, 768273, 977802, 1024364, 1536546, 1792637, 1955604, 3073092, 3585274, 5377911, 7170548, 10755822, 21511644]

約数ペア:

[(1, 21511644), (2, 10755822), (3, 7170548), (4, 5377911), (6, 3585274), (7, 3073092), (11, 1955604), (12, 1792637), (14, 1536546), (21, 1024364), (22, 977802), (28, 768273), (31, 693924), (33, 651868), (42, 512182), (44, 488901), (62, 346962), (66, 325934), (77, 279372), (84, 256091), (93, 231308), (124, 173481), (132, 162967), (154, 139686), (186, 115654), (217, 99132), (231, 93124), (308, 69843), (341, 63084), (372, 57827), (434, 49566), (462, 46562), (651, 33044), (682, 31542), (751, 28644), (868, 24783), (924, 23281), (1023, 21028), (1302, 16522), (1364, 15771), (1502, 14322), (2046, 10514), (2253, 9548), (2387, 9012), (2604, 8261), (3004, 7161), (4092, 5257), (4506, 4774)]