21329376

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{5167}}^1$

素因数の和:5223

約数の個数: 48

約数和(自身を含む): 57302784

約数和(自身を除く): 35973408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 5167, 10334, 15501, 20668, 31002, 41336, 62004, 82672, 124008, 165344, 222181, 248016, 444362, 496032, 666543, 888724, 1333086, 1777448, 2666172, 3554896, 5332344, 7109792, 10664688, 21329376]

約数ペア:

[(1, 21329376), (2, 10664688), (3, 7109792), (4, 5332344), (6, 3554896), (8, 2666172), (12, 1777448), (16, 1333086), (24, 888724), (32, 666543), (43, 496032), (48, 444362), (86, 248016), (96, 222181), (129, 165344), (172, 124008), (258, 82672), (344, 62004), (516, 41336), (688, 31002), (1032, 20668), (1376, 15501), (2064, 10334), (4128, 5167)]