21795564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15263}}^1$

素因数の和:15294

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 39748884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15263, 30526, 45789, 61052, 91578, 106841, 183156, 213682, 259471, 320523, 427364, 518942, 641046, 778413, 1037884, 1282092, 1556826, 1816297, 3113652, 3632594, 5448891, 7265188, 10897782, 21795564]

約数ペア:

[(1, 21795564), (2, 10897782), (3, 7265188), (4, 5448891), (6, 3632594), (7, 3113652), (12, 1816297), (14, 1556826), (17, 1282092), (21, 1037884), (28, 778413), (34, 641046), (42, 518942), (51, 427364), (68, 320523), (84, 259471), (102, 213682), (119, 183156), (204, 106841), (238, 91578), (357, 61052), (476, 45789), (714, 30526), (1428, 15263)]