21023495805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1\times {\mathrm{4003}}^1$

素因数の和:5218

約数の個数: 64

約数和(自身を含む): 37841836032

約数和(自身を除く): 16818340227

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1171, 1495, 3513, 4003, 4485, 5855, 12009, 15223, 17565, 20015, 26933, 45669, 52039, 60045, 76115, 80799, 92069, 134665, 156117, 228345, 260195, 276207, 350129, 403995, 460345, 780585, 1050387, 1196897, 1381035, 1750645, 3590691, 4687513, 5251935, 5984485, 14062539, 17953455, 23437565, 60937669, 70312695, 107812799, 182813007, 304688345, 323438397, 539063995, 914065035, 1401566387, 1617191985, 4204699161, 7007831935, 21023495805]

約数ペア:

[(1, 21023495805), (3, 7007831935), (5, 4204699161), (13, 1617191985), (15, 1401566387), (23, 914065035), (39, 539063995), (65, 323438397), (69, 304688345), (115, 182813007), (195, 107812799), (299, 70312695), (345, 60937669), (897, 23437565), (1171, 17953455), (1495, 14062539), (3513, 5984485), (4003, 5251935), (4485, 4687513), (5855, 3590691), (12009, 1750645), (15223, 1381035), (17565, 1196897), (20015, 1050387), (26933, 780585), (45669, 460345), (52039, 403995), (60045, 350129), (76115, 276207), (80799, 260195), (92069, 228345), (134665, 156117)]