21037170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1301}}^1$

素因数の和:1336

約数の個数: 96

約数和(自身を含む): 64120896

約数和(自身を除く): 43083726

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 147, 154, 165, 210, 231, 245, 294, 330, 385, 462, 490, 539, 735, 770, 1078, 1155, 1301, 1470, 1617, 2310, 2602, 2695, 3234, 3903, 5390, 6505, 7806, 8085, 9107, 13010, 14311, 16170, 18214, 19515, 27321, 28622, 39030, 42933, 45535, 54642, 63749, 71555, 85866, 91070, 100177, 127498, 136605, 143110, 191247, 200354, 214665, 273210, 300531, 318745, 382494, 429330, 500885, 601062, 637490, 701239, 956235, 1001770, 1402478, 1502655, 1912470, 2103717, 3005310, 3506195, 4207434, 7012390, 10518585, 21037170]

約数ペア:

[(1, 21037170), (2, 10518585), (3, 7012390), (5, 4207434), (6, 3506195), (7, 3005310), (10, 2103717), (11, 1912470), (14, 1502655), (15, 1402478), (21, 1001770), (22, 956235), (30, 701239), (33, 637490), (35, 601062), (42, 500885), (49, 429330), (55, 382494), (66, 318745), (70, 300531), (77, 273210), (98, 214665), (105, 200354), (110, 191247), (147, 143110), (154, 136605), (165, 127498), (210, 100177), (231, 91070), (245, 85866), (294, 71555), (330, 63749), (385, 54642), (462, 45535), (490, 42933), (539, 39030), (735, 28622), (770, 27321), (1078, 19515), (1155, 18214), (1301, 16170), (1470, 14311), (1617, 13010), (2310, 9107), (2602, 8085), (2695, 7806), (3234, 6505), (3903, 5390)]