21697170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 64

約数和(自身を含む): 58375296

約数和(自身を除く): 36678126

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 1777, 2035, 2442, 3554, 4070, 5331, 6105, 8885, 10662, 12210, 17770, 19547, 26655, 39094, 53310, 58641, 65749, 97735, 117282, 131498, 195470, 197247, 293205, 328745, 394494, 586410, 657490, 723239, 986235, 1446478, 1972470, 2169717, 3616195, 4339434, 7232390, 10848585, 21697170]

約数ペア:

[(1, 21697170), (2, 10848585), (3, 7232390), (5, 4339434), (6, 3616195), (10, 2169717), (11, 1972470), (15, 1446478), (22, 986235), (30, 723239), (33, 657490), (37, 586410), (55, 394494), (66, 328745), (74, 293205), (110, 197247), (111, 195470), (165, 131498), (185, 117282), (222, 97735), (330, 65749), (370, 58641), (407, 53310), (555, 39094), (814, 26655), (1110, 19547), (1221, 17770), (1777, 12210), (2035, 10662), (2442, 8885), (3554, 6105), (4070, 5331)]