21480298

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3511}}^1$

素因数の和:3562

約数の個数: 32

約数和(自身を含む): 40458240

約数和(自身を除く): 18977942

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 3511, 6118, 7022, 24577, 49154, 66709, 80753, 133418, 161506, 466963, 565271, 933926, 1130542, 1534307, 3068614, 10740149, 21480298]

約数ペア:

[(1, 21480298), (2, 10740149), (7, 3068614), (14, 1534307), (19, 1130542), (23, 933926), (38, 565271), (46, 466963), (133, 161506), (161, 133418), (266, 80753), (322, 66709), (437, 49154), (874, 24577), (3059, 7022), (3511, 6118)]