21341992

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1709}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 24622808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1709, 1784, 3122, 3418, 6244, 6836, 11963, 12488, 13672, 23926, 47852, 95704, 381107, 762214, 1524428, 2667749, 3048856, 5335498, 10670996, 21341992]

約数ペア:

[(1, 21341992), (2, 10670996), (4, 5335498), (7, 3048856), (8, 2667749), (14, 1524428), (28, 762214), (56, 381107), (223, 95704), (446, 47852), (892, 23926), (1561, 13672), (1709, 12488), (1784, 11963), (3122, 6836), (3418, 6244)]