21928095

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 44129280

約数和(自身を除く): 22201185

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 1005, 1039, 1407, 2345, 3015, 3117, 4221, 5195, 7035, 7273, 9351, 15585, 21105, 21819, 36365, 46755, 65457, 69613, 109095, 208839, 327285, 348065, 487291, 626517, 1044195, 1461873, 2436455, 3132585, 4385619, 7309365, 21928095]

約数ペア:

[(1, 21928095), (3, 7309365), (5, 4385619), (7, 3132585), (9, 2436455), (15, 1461873), (21, 1044195), (35, 626517), (45, 487291), (63, 348065), (67, 327285), (105, 208839), (201, 109095), (315, 69613), (335, 65457), (469, 46755), (603, 36365), (1005, 21819), (1039, 21105), (1407, 15585), (2345, 9351), (3015, 7273), (3117, 7035), (4221, 5195)]