21164784

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 60115200

約数和(自身を除く): 38950416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 1009, 1104, 1311, 1748, 2018, 2622, 3027, 3496, 4036, 5244, 6054, 6992, 8072, 10488, 12108, 16144, 19171, 20976, 23207, 24216, 38342, 46414, 48432, 57513, 69621, 76684, 92828, 115026, 139242, 153368, 185656, 230052, 278484, 306736, 371312, 440933, 460104, 556968, 881866, 920208, 1113936, 1322799, 1763732, 2645598, 3527464, 5291196, 7054928, 10582392, 21164784]

約数ペア:

[(1, 21164784), (2, 10582392), (3, 7054928), (4, 5291196), (6, 3527464), (8, 2645598), (12, 1763732), (16, 1322799), (19, 1113936), (23, 920208), (24, 881866), (38, 556968), (46, 460104), (48, 440933), (57, 371312), (69, 306736), (76, 278484), (92, 230052), (114, 185656), (138, 153368), (152, 139242), (184, 115026), (228, 92828), (276, 76684), (304, 69621), (368, 57513), (437, 48432), (456, 46414), (552, 38342), (874, 24216), (912, 23207), (1009, 20976), (1104, 19171), (1311, 16144), (1748, 12108), (2018, 10488), (2622, 8072), (3027, 6992), (3496, 6054), (4036, 5244)]