21394776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 58867200

約数和(自身を除く): 37472424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1459, 1833, 2444, 2918, 3666, 4377, 4888, 5836, 7332, 8754, 11672, 14664, 17508, 18967, 35016, 37934, 56901, 68573, 75868, 113802, 137146, 151736, 205719, 227604, 274292, 411438, 455208, 548584, 822876, 891449, 1645752, 1782898, 2674347, 3565796, 5348694, 7131592, 10697388, 21394776]

約数ペア:

[(1, 21394776), (2, 10697388), (3, 7131592), (4, 5348694), (6, 3565796), (8, 2674347), (12, 1782898), (13, 1645752), (24, 891449), (26, 822876), (39, 548584), (47, 455208), (52, 411438), (78, 274292), (94, 227604), (104, 205719), (141, 151736), (156, 137146), (188, 113802), (282, 75868), (312, 68573), (376, 56901), (564, 37934), (611, 35016), (1128, 18967), (1222, 17508), (1459, 14664), (1833, 11672), (2444, 8754), (2918, 7332), (3666, 5836), (4377, 4888)]