21691714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 37407744

約数和(自身を除く): 15716030

約数列:

[1, 2, 11, 22, 23, 46, 163, 253, 263, 326, 506, 526, 1793, 2893, 3586, 3749, 5786, 6049, 7498, 12098, 41239, 42869, 66539, 82478, 85738, 133078, 471559, 943118, 985987, 1971974, 10845857, 21691714]

約数ペア:

[(1, 21691714), (2, 10845857), (11, 1971974), (22, 985987), (23, 943118), (46, 471559), (163, 133078), (253, 85738), (263, 82478), (326, 66539), (506, 42869), (526, 41239), (1793, 12098), (2893, 7498), (3586, 6049), (3749, 5786)]