21195252722

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1249}}^1\times {\mathrm{4027}}^1$

素因数の和:5335

約数の個数: 48

約数和(自身を含む): 37883340000

約数和(自身を除く): 16688087278

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 1249, 2107, 2498, 4027, 4214, 8054, 8743, 17486, 28189, 53707, 56378, 61201, 107414, 122402, 173161, 197323, 346322, 375949, 394646, 751898, 1212127, 2424254, 2631643, 5029723, 5263286, 8484889, 10059446, 16969778, 35208061, 70416122, 216278089, 246456427, 432556178, 492912854, 1513946623, 3027893246, 10597626361, 21195252722]

約数ペア:

[(1, 21195252722), (2, 10597626361), (7, 3027893246), (14, 1513946623), (43, 492912854), (49, 432556178), (86, 246456427), (98, 216278089), (301, 70416122), (602, 35208061), (1249, 16969778), (2107, 10059446), (2498, 8484889), (4027, 5263286), (4214, 5029723), (8054, 2631643), (8743, 2424254), (17486, 1212127), (28189, 751898), (53707, 394646), (56378, 375949), (61201, 346322), (107414, 197323), (122402, 173161)]