21100272

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10223}}^1$

素因数の和:10277

約数の個数: 40

約数和(自身を含む): 55782144

約数和(自身を除く): 34681872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10223, 20446, 30669, 40892, 61338, 81784, 122676, 163568, 245352, 439589, 490704, 879178, 1318767, 1758356, 2637534, 3516712, 5275068, 7033424, 10550136, 21100272]

約数ペア:

[(1, 21100272), (2, 10550136), (3, 7033424), (4, 5275068), (6, 3516712), (8, 2637534), (12, 1758356), (16, 1318767), (24, 879178), (43, 490704), (48, 439589), (86, 245352), (129, 163568), (172, 122676), (258, 81784), (344, 61338), (516, 40892), (688, 30669), (1032, 20446), (2064, 10223)]