21923913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 12175287

約数列:

[1, 3, 11, 29, 31, 33, 87, 93, 319, 341, 739, 899, 957, 1023, 2217, 2697, 8129, 9889, 21431, 22909, 24387, 29667, 64293, 68727, 235741, 251999, 664361, 707223, 755997, 1993083, 7307971, 21923913]

約数ペア:

[(1, 21923913), (3, 7307971), (11, 1993083), (29, 755997), (31, 707223), (33, 664361), (87, 251999), (93, 235741), (319, 68727), (341, 64293), (739, 29667), (899, 24387), (957, 22909), (1023, 21431), (2217, 9889), (2697, 8129)]