21307292

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 36

約数和(自身を含む): 40371408

約数和(自身を除く): 19064116

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 241, 482, 713, 961, 964, 1426, 1922, 2852, 3844, 5543, 7471, 11086, 14942, 22103, 22172, 29884, 44206, 88412, 171833, 231601, 343666, 463202, 687332, 926404, 5326823, 10653646, 21307292]

約数ペア:

[(1, 21307292), (2, 10653646), (4, 5326823), (23, 926404), (31, 687332), (46, 463202), (62, 343666), (92, 231601), (124, 171833), (241, 88412), (482, 44206), (713, 29884), (961, 22172), (964, 22103), (1426, 14942), (1922, 11086), (2852, 7471), (3844, 5543)]