21523752

素因数分解:

$2^3\times 3^3\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 60177600

約数和(自身を除く): 38653848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 251, 397, 502, 753, 794, 1004, 1191, 1506, 1588, 2008, 2259, 2382, 3012, 3176, 3573, 4518, 4764, 6024, 6777, 7146, 9036, 9528, 10719, 13554, 14292, 18072, 21438, 27108, 28584, 42876, 54216, 85752, 99647, 199294, 298941, 398588, 597882, 797176, 896823, 1195764, 1793646, 2391528, 2690469, 3587292, 5380938, 7174584, 10761876, 21523752]

約数ペア:

[(1, 21523752), (2, 10761876), (3, 7174584), (4, 5380938), (6, 3587292), (8, 2690469), (9, 2391528), (12, 1793646), (18, 1195764), (24, 896823), (27, 797176), (36, 597882), (54, 398588), (72, 298941), (108, 199294), (216, 99647), (251, 85752), (397, 54216), (502, 42876), (753, 28584), (794, 27108), (1004, 21438), (1191, 18072), (1506, 14292), (1588, 13554), (2008, 10719), (2259, 9528), (2382, 9036), (3012, 7146), (3176, 6777), (3573, 6024), (4518, 4764)]