21389104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2293}}^1$

素因数の和:2365

約数の個数: 40

約数和(自身を含む): 46081872

約数和(自身を除く): 24692768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2293, 2332, 4586, 4664, 9172, 9328, 18344, 25223, 36688, 50446, 100892, 121529, 201784, 243058, 403568, 486116, 972232, 1336819, 1944464, 2673638, 5347276, 10694552, 21389104]

約数ペア:

[(1, 21389104), (2, 10694552), (4, 5347276), (8, 2673638), (11, 1944464), (16, 1336819), (22, 972232), (44, 486116), (53, 403568), (88, 243058), (106, 201784), (176, 121529), (212, 100892), (424, 50446), (583, 36688), (848, 25223), (1166, 18344), (2293, 9328), (2332, 9172), (4586, 4664)]