21822645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 19545675

約数列:

[1, 3, 5, 13, 15, 17, 29, 39, 51, 65, 85, 87, 145, 195, 221, 227, 255, 377, 435, 493, 663, 681, 1105, 1131, 1135, 1479, 1885, 2465, 2951, 3315, 3405, 3859, 5655, 6409, 6583, 7395, 8853, 11577, 14755, 19227, 19295, 19749, 32045, 32915, 44265, 50167, 57885, 85579, 96135, 98745, 111911, 150501, 250835, 256737, 335733, 427895, 559555, 752505, 1283685, 1454843, 1678665, 4364529, 7274215, 21822645]

約数ペア:

[(1, 21822645), (3, 7274215), (5, 4364529), (13, 1678665), (15, 1454843), (17, 1283685), (29, 752505), (39, 559555), (51, 427895), (65, 335733), (85, 256737), (87, 250835), (145, 150501), (195, 111911), (221, 98745), (227, 96135), (255, 85579), (377, 57885), (435, 50167), (493, 44265), (663, 32915), (681, 32045), (1105, 19749), (1131, 19295), (1135, 19227), (1479, 14755), (1885, 11577), (2465, 8853), (2951, 7395), (3315, 6583), (3405, 6409), (3859, 5655)]