21131304

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12401}}^1$

素因数の和:12481

約数の個数: 32

約数和(自身を含む): 53576640

約数和(自身を除く): 32445336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12401, 24802, 37203, 49604, 74406, 99208, 148812, 297624, 880471, 1760942, 2641413, 3521884, 5282826, 7043768, 10565652, 21131304]

約数ペア:

[(1, 21131304), (2, 10565652), (3, 7043768), (4, 5282826), (6, 3521884), (8, 2641413), (12, 1760942), (24, 880471), (71, 297624), (142, 148812), (213, 99208), (284, 74406), (426, 49604), (568, 37203), (852, 24802), (1704, 12401)]