21459152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 28412656

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 83, 88, 104, 113, 143, 166, 176, 208, 226, 286, 332, 452, 572, 664, 904, 913, 1079, 1144, 1243, 1328, 1469, 1808, 1826, 2158, 2288, 2486, 2938, 3652, 4316, 4972, 5876, 7304, 8632, 9379, 9944, 11752, 11869, 14608, 16159, 17264, 18758, 19888, 23504, 23738, 32318, 37516, 47476, 64636, 75032, 94952, 103169, 121927, 129272, 150064, 189904, 206338, 243854, 258544, 412676, 487708, 825352, 975416, 1341197, 1650704, 1950832, 2682394, 5364788, 10729576, 21459152]

約数ペア:

[(1, 21459152), (2, 10729576), (4, 5364788), (8, 2682394), (11, 1950832), (13, 1650704), (16, 1341197), (22, 975416), (26, 825352), (44, 487708), (52, 412676), (83, 258544), (88, 243854), (104, 206338), (113, 189904), (143, 150064), (166, 129272), (176, 121927), (208, 103169), (226, 94952), (286, 75032), (332, 64636), (452, 47476), (572, 37516), (664, 32318), (904, 23738), (913, 23504), (1079, 19888), (1144, 18758), (1243, 17264), (1328, 16159), (1469, 14608), (1808, 11869), (1826, 11752), (2158, 9944), (2288, 9379), (2486, 8632), (2938, 7304), (3652, 5876), (4316, 4972)]