21451176

素因数分解:

$2^3\times 3^3\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2175

約数の個数: 64

約数和(自身を含む): 60883200

約数和(自身を除く): 39432024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 94, 108, 141, 188, 216, 282, 376, 423, 564, 846, 1128, 1269, 1692, 2113, 2538, 3384, 4226, 5076, 6339, 8452, 10152, 12678, 16904, 19017, 25356, 38034, 50712, 57051, 76068, 99311, 114102, 152136, 198622, 228204, 297933, 397244, 456408, 595866, 794488, 893799, 1191732, 1787598, 2383464, 2681397, 3575196, 5362794, 7150392, 10725588, 21451176]

約数ペア:

[(1, 21451176), (2, 10725588), (3, 7150392), (4, 5362794), (6, 3575196), (8, 2681397), (9, 2383464), (12, 1787598), (18, 1191732), (24, 893799), (27, 794488), (36, 595866), (47, 456408), (54, 397244), (72, 297933), (94, 228204), (108, 198622), (141, 152136), (188, 114102), (216, 99311), (282, 76068), (376, 57051), (423, 50712), (564, 38034), (846, 25356), (1128, 19017), (1269, 16904), (1692, 12678), (2113, 10152), (2538, 8452), (3384, 6339), (4226, 5076)]