21452698

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1163}}^1$

素因数の和:1589

約数の個数: 16

約数和(自身を含む): 33690816

約数和(自身を除く): 12238118

約数列:

[1, 2, 23, 46, 401, 802, 1163, 2326, 9223, 18446, 26749, 53498, 466363, 932726, 10726349, 21452698]

約数ペア:

[(1, 21452698), (2, 10726349), (23, 932726), (46, 466363), (401, 53498), (802, 26749), (1163, 18446), (2326, 9223)]