21525252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13487}}^1$

素因数の和:13520

約数の個数: 48

約数和(自身を含む): 60426240

約数和(自身を除く): 38900988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13487, 26974, 40461, 53948, 80922, 94409, 161844, 188818, 256253, 283227, 377636, 512506, 566454, 768759, 1025012, 1132908, 1537518, 1793771, 3075036, 3587542, 5381313, 7175084, 10762626, 21525252]

約数ペア:

[(1, 21525252), (2, 10762626), (3, 7175084), (4, 5381313), (6, 3587542), (7, 3075036), (12, 1793771), (14, 1537518), (19, 1132908), (21, 1025012), (28, 768759), (38, 566454), (42, 512506), (57, 377636), (76, 283227), (84, 256253), (114, 188818), (133, 161844), (228, 94409), (266, 80922), (399, 53948), (532, 40461), (798, 26974), (1596, 13487)]