21489227210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{77003}}^1$

素因数の和:77123

約数の個数: 64

約数和(自身を含む): 43910760960

約数和(自身を除く): 22421533750

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 59, 86, 110, 118, 215, 295, 430, 473, 590, 649, 946, 1298, 2365, 2537, 3245, 4730, 5074, 6490, 12685, 25370, 27907, 55814, 77003, 139535, 154006, 279070, 385015, 770030, 847033, 1694066, 3311129, 4235165, 4543177, 6622258, 8470330, 9086354, 16555645, 22715885, 33111290, 36422419, 45431770, 49974947, 72844838, 99949894, 182112095, 195356611, 249874735, 364224190, 390713222, 499749470, 976783055, 1953566110, 2148922721, 4297845442, 10744613605, 21489227210]

約数ペア:

[(1, 21489227210), (2, 10744613605), (5, 4297845442), (10, 2148922721), (11, 1953566110), (22, 976783055), (43, 499749470), (55, 390713222), (59, 364224190), (86, 249874735), (110, 195356611), (118, 182112095), (215, 99949894), (295, 72844838), (430, 49974947), (473, 45431770), (590, 36422419), (649, 33111290), (946, 22715885), (1298, 16555645), (2365, 9086354), (2537, 8470330), (3245, 6622258), (4730, 4543177), (5074, 4235165), (6490, 3311129), (12685, 1694066), (25370, 847033), (27907, 770030), (55814, 385015), (77003, 279070), (139535, 154006)]