21967470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 46461330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 59, 63, 70, 90, 105, 118, 126, 135, 177, 189, 197, 210, 270, 295, 315, 354, 378, 394, 413, 531, 590, 591, 630, 826, 885, 945, 985, 1062, 1182, 1239, 1379, 1593, 1770, 1773, 1890, 1970, 2065, 2478, 2655, 2758, 2955, 3186, 3546, 3717, 4130, 4137, 5310, 5319, 5910, 6195, 6895, 7434, 7965, 8274, 8865, 10638, 11151, 11623, 12390, 12411, 13790, 15930, 17730, 18585, 20685, 22302, 23246, 24822, 26595, 34869, 37170, 37233, 41370, 53190, 55755, 58115, 62055, 69738, 74466, 81361, 104607, 111510, 116230, 124110, 162722, 174345, 186165, 209214, 244083, 313821, 348690, 372330, 406805, 488166, 523035, 627642, 732249, 813610, 1046070, 1220415, 1464498, 1569105, 2196747, 2440830, 3138210, 3661245, 4393494, 7322490, 10983735, 21967470]

約数ペア:

[(1, 21967470), (2, 10983735), (3, 7322490), (5, 4393494), (6, 3661245), (7, 3138210), (9, 2440830), (10, 2196747), (14, 1569105), (15, 1464498), (18, 1220415), (21, 1046070), (27, 813610), (30, 732249), (35, 627642), (42, 523035), (45, 488166), (54, 406805), (59, 372330), (63, 348690), (70, 313821), (90, 244083), (105, 209214), (118, 186165), (126, 174345), (135, 162722), (177, 124110), (189, 116230), (197, 111510), (210, 104607), (270, 81361), (295, 74466), (315, 69738), (354, 62055), (378, 58115), (394, 55755), (413, 53190), (531, 41370), (590, 37233), (591, 37170), (630, 34869), (826, 26595), (885, 24822), (945, 23246), (985, 22302), (1062, 20685), (1182, 18585), (1239, 17730), (1379, 15930), (1593, 13790), (1770, 12411), (1773, 12390), (1890, 11623), (1970, 11151), (2065, 10638), (2478, 8865), (2655, 8274), (2758, 7965), (2955, 7434), (3186, 6895), (3546, 6195), (3717, 5910), (4130, 5319), (4137, 5310)]