21036904

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16333}}^1$

素因数の和:16369

約数の個数: 32

約数和(自身を含む): 47041920

約数和(自身を除く): 26005016

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16333, 32666, 65332, 114331, 130664, 228662, 375659, 457324, 751318, 914648, 1502636, 2629613, 3005272, 5259226, 10518452, 21036904]

約数ペア:

[(1, 21036904), (2, 10518452), (4, 5259226), (7, 3005272), (8, 2629613), (14, 1502636), (23, 914648), (28, 751318), (46, 457324), (56, 375659), (92, 228662), (161, 130664), (184, 114331), (322, 65332), (644, 32666), (1288, 16333)]