21450612

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 51916032

約数和(自身を除く): 30465420

約数列:

[1, 2, 3, 4, 6, 12, 47, 73, 94, 141, 146, 188, 219, 282, 292, 438, 521, 564, 876, 1042, 1563, 2084, 3126, 3431, 6252, 6862, 10293, 13724, 20586, 24487, 38033, 41172, 48974, 73461, 76066, 97948, 114099, 146922, 152132, 228198, 293844, 456396, 1787551, 3575102, 5362653, 7150204, 10725306, 21450612]

約数ペア:

[(1, 21450612), (2, 10725306), (3, 7150204), (4, 5362653), (6, 3575102), (12, 1787551), (47, 456396), (73, 293844), (94, 228198), (141, 152132), (146, 146922), (188, 114099), (219, 97948), (282, 76066), (292, 73461), (438, 48974), (521, 41172), (564, 38033), (876, 24487), (1042, 20586), (1563, 13724), (2084, 10293), (3126, 6862), (3431, 6252)]