21422170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 27846566

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 647, 770, 946, 1294, 1505, 2365, 3010, 3235, 3311, 4529, 4730, 6470, 6622, 7117, 9058, 14234, 16555, 22645, 27821, 33110, 35585, 45290, 49819, 55642, 71170, 99638, 139105, 194747, 249095, 278210, 306031, 389494, 498190, 612062, 973735, 1530155, 1947470, 2142217, 3060310, 4284434, 10711085, 21422170]

約数ペア:

[(1, 21422170), (2, 10711085), (5, 4284434), (7, 3060310), (10, 2142217), (11, 1947470), (14, 1530155), (22, 973735), (35, 612062), (43, 498190), (55, 389494), (70, 306031), (77, 278210), (86, 249095), (110, 194747), (154, 139105), (215, 99638), (301, 71170), (385, 55642), (430, 49819), (473, 45290), (602, 35585), (647, 33110), (770, 27821), (946, 22645), (1294, 16555), (1505, 14234), (2365, 9058), (3010, 7117), (3235, 6622), (3311, 6470), (4529, 4730)]