21059296

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1823}}^1$

素因数の和:1871

約数の個数: 36

約数和(自身を含む): 43781472

約数和(自身を除く): 22722176

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1823, 2888, 3646, 5776, 7292, 11552, 14584, 29168, 34637, 58336, 69274, 138548, 277096, 554192, 658103, 1108384, 1316206, 2632412, 5264824, 10529648, 21059296]

約数ペア:

[(1, 21059296), (2, 10529648), (4, 5264824), (8, 2632412), (16, 1316206), (19, 1108384), (32, 658103), (38, 554192), (76, 277096), (152, 138548), (304, 69274), (361, 58336), (608, 34637), (722, 29168), (1444, 14584), (1823, 11552), (2888, 7292), (3646, 5776)]