21920208

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{26863}}^1$

素因数の和:26891

約数の個数: 40

約数和(自身を含む): 59960448

約数和(自身を除く): 38040240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 26863, 53726, 80589, 107452, 161178, 214904, 322356, 429808, 456671, 644712, 913342, 1289424, 1370013, 1826684, 2740026, 3653368, 5480052, 7306736, 10960104, 21920208]

約数ペア:

[(1, 21920208), (2, 10960104), (3, 7306736), (4, 5480052), (6, 3653368), (8, 2740026), (12, 1826684), (16, 1370013), (17, 1289424), (24, 913342), (34, 644712), (48, 456671), (51, 429808), (68, 322356), (102, 214904), (136, 161178), (204, 107452), (272, 80589), (408, 53726), (816, 26863)]