21676258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 36671616

約数和(自身を除く): 14995358

約数列:

[1, 2, 17, 23, 34, 46, 53, 106, 391, 523, 782, 901, 1046, 1219, 1802, 2438, 8891, 12029, 17782, 20723, 24058, 27719, 41446, 55438, 204493, 408986, 471223, 637537, 942446, 1275074, 10838129, 21676258]

約数ペア:

[(1, 21676258), (2, 10838129), (17, 1275074), (23, 942446), (34, 637537), (46, 471223), (53, 408986), (106, 204493), (391, 55438), (523, 41446), (782, 27719), (901, 24058), (1046, 20723), (1219, 17782), (1802, 12029), (2438, 8891)]