21590730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 65729664

約数和(自身を除く): 44138934

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 86, 90, 105, 126, 129, 210, 215, 258, 301, 315, 387, 430, 602, 630, 645, 774, 797, 903, 1290, 1505, 1594, 1806, 1935, 2391, 2709, 3010, 3870, 3985, 4515, 4782, 5418, 5579, 7173, 7970, 9030, 11158, 11955, 13545, 14346, 16737, 23910, 27090, 27895, 33474, 34271, 35865, 50211, 55790, 68542, 71730, 83685, 100422, 102813, 167370, 171355, 205626, 239897, 251055, 308439, 342710, 479794, 502110, 514065, 616878, 719691, 1028130, 1199485, 1439382, 1542195, 2159073, 2398970, 3084390, 3598455, 4318146, 7196910, 10795365, 21590730]

約数ペア:

[(1, 21590730), (2, 10795365), (3, 7196910), (5, 4318146), (6, 3598455), (7, 3084390), (9, 2398970), (10, 2159073), (14, 1542195), (15, 1439382), (18, 1199485), (21, 1028130), (30, 719691), (35, 616878), (42, 514065), (43, 502110), (45, 479794), (63, 342710), (70, 308439), (86, 251055), (90, 239897), (105, 205626), (126, 171355), (129, 167370), (210, 102813), (215, 100422), (258, 83685), (301, 71730), (315, 68542), (387, 55790), (430, 50211), (602, 35865), (630, 34271), (645, 33474), (774, 27895), (797, 27090), (903, 23910), (1290, 16737), (1505, 14346), (1594, 13545), (1806, 11955), (1935, 11158), (2391, 9030), (2709, 7970), (3010, 7173), (3870, 5579), (3985, 5418), (4515, 4782)]