21347886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 32150994

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 87, 102, 119, 174, 203, 238, 357, 406, 493, 609, 714, 986, 1031, 1218, 1479, 2062, 2958, 3093, 3451, 6186, 6902, 7217, 10353, 14434, 17527, 20706, 21651, 29899, 35054, 43302, 52581, 59798, 89697, 105162, 122689, 179394, 209293, 245378, 368067, 418586, 508283, 627879, 736134, 1016566, 1255758, 1524849, 3049698, 3557981, 7115962, 10673943, 21347886]

約数ペア:

[(1, 21347886), (2, 10673943), (3, 7115962), (6, 3557981), (7, 3049698), (14, 1524849), (17, 1255758), (21, 1016566), (29, 736134), (34, 627879), (42, 508283), (51, 418586), (58, 368067), (87, 245378), (102, 209293), (119, 179394), (174, 122689), (203, 105162), (238, 89697), (357, 59798), (406, 52581), (493, 43302), (609, 35054), (714, 29899), (986, 21651), (1031, 20706), (1218, 17527), (1479, 14434), (2062, 10353), (2958, 7217), (3093, 6902), (3451, 6186)]