21658770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1160

約数の個数: 96

約数和(自身を含む): 66493440

約数和(自身を除く): 44834670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1109, 1302, 1395, 1953, 2170, 2218, 2790, 3255, 3327, 3906, 5545, 6510, 6654, 7763, 9765, 9981, 11090, 15526, 16635, 19530, 19962, 23289, 33270, 34379, 38815, 46578, 49905, 68758, 69867, 77630, 99810, 103137, 116445, 139734, 171895, 206274, 232890, 240653, 309411, 343790, 349335, 481306, 515685, 618822, 698670, 721959, 1031370, 1203265, 1443918, 1547055, 2165877, 2406530, 3094110, 3609795, 4331754, 7219590, 10829385, 21658770]

約数ペア:

[(1, 21658770), (2, 10829385), (3, 7219590), (5, 4331754), (6, 3609795), (7, 3094110), (9, 2406530), (10, 2165877), (14, 1547055), (15, 1443918), (18, 1203265), (21, 1031370), (30, 721959), (31, 698670), (35, 618822), (42, 515685), (45, 481306), (62, 349335), (63, 343790), (70, 309411), (90, 240653), (93, 232890), (105, 206274), (126, 171895), (155, 139734), (186, 116445), (210, 103137), (217, 99810), (279, 77630), (310, 69867), (315, 68758), (434, 49905), (465, 46578), (558, 38815), (630, 34379), (651, 33270), (930, 23289), (1085, 19962), (1109, 19530), (1302, 16635), (1395, 15526), (1953, 11090), (2170, 9981), (2218, 9765), (2790, 7763), (3255, 6654), (3327, 6510), (3906, 5545)]