21343986

素因数分解:

$2^1\times 3^4\times {\mathrm{359}}^1\times {\mathrm{367}}^1$

素因数の和:740

約数の個数: 40

約数和(自身を含む): 48090240

約数和(自身を除く): 26746254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 359, 367, 718, 734, 1077, 1101, 2154, 2202, 3231, 3303, 6462, 6606, 9693, 9909, 19386, 19818, 29079, 29727, 58158, 59454, 131753, 263506, 395259, 790518, 1185777, 2371554, 3557331, 7114662, 10671993, 21343986]

約数ペア:

[(1, 21343986), (2, 10671993), (3, 7114662), (6, 3557331), (9, 2371554), (18, 1185777), (27, 790518), (54, 395259), (81, 263506), (162, 131753), (359, 59454), (367, 58158), (718, 29727), (734, 29079), (1077, 19818), (1101, 19386), (2154, 9909), (2202, 9693), (3231, 6606), (3303, 6462)]