21497175699

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{22937}}^1$

素因数の和:23044

約数の個数: 48

約数和(自身を含む): 32449379328

約数和(自身を除く): 10952203629

約数列:

[1, 3, 17, 23, 47, 51, 69, 141, 289, 391, 799, 867, 1081, 1173, 2397, 3243, 6647, 13583, 18377, 19941, 22937, 40749, 55131, 68811, 312409, 389929, 527551, 937227, 1078039, 1169787, 1582653, 3234117, 6628793, 8968367, 18326663, 19886379, 24794897, 26905101, 54979989, 74384691, 152462239, 311553271, 421513249, 457386717, 934659813, 1264539747, 7165725233, 21497175699]

約数ペア:

[(1, 21497175699), (3, 7165725233), (17, 1264539747), (23, 934659813), (47, 457386717), (51, 421513249), (69, 311553271), (141, 152462239), (289, 74384691), (391, 54979989), (799, 26905101), (867, 24794897), (1081, 19886379), (1173, 18326663), (2397, 8968367), (3243, 6628793), (6647, 3234117), (13583, 1582653), (18377, 1169787), (19941, 1078039), (22937, 937227), (40749, 527551), (55131, 389929), (68811, 312409)]