21439716

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 51301824

約数和(自身を除く): 29862108

約数列:

[1, 2, 3, 4, 6, 12, 97, 113, 163, 194, 226, 291, 326, 339, 388, 452, 489, 582, 652, 678, 978, 1164, 1356, 1956, 10961, 15811, 18419, 21922, 31622, 32883, 36838, 43844, 47433, 55257, 63244, 65766, 73676, 94866, 110514, 131532, 189732, 221028, 1786643, 3573286, 5359929, 7146572, 10719858, 21439716]

約数ペア:

[(1, 21439716), (2, 10719858), (3, 7146572), (4, 5359929), (6, 3573286), (12, 1786643), (97, 221028), (113, 189732), (163, 131532), (194, 110514), (226, 94866), (291, 73676), (326, 65766), (339, 63244), (388, 55257), (452, 47433), (489, 43844), (582, 36838), (652, 32883), (678, 31622), (978, 21922), (1164, 18419), (1356, 15811), (1956, 10961)]