21390342

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 44517600

約数和(自身を除く): 23127258

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 269, 457, 538, 807, 914, 1371, 1614, 2742, 7801, 13253, 15602, 23403, 26506, 39759, 46806, 79518, 122933, 245866, 368799, 737598, 3565057, 7130114, 10695171, 21390342]

約数ペア:

[(1, 21390342), (2, 10695171), (3, 7130114), (6, 3565057), (29, 737598), (58, 368799), (87, 245866), (174, 122933), (269, 79518), (457, 46806), (538, 39759), (807, 26506), (914, 23403), (1371, 15602), (1614, 13253), (2742, 7801)]