21194448

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 60371136

約数和(自身を除く): 39176688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 137, 176, 264, 274, 293, 411, 528, 548, 586, 822, 879, 1096, 1172, 1507, 1644, 1758, 2192, 2344, 3014, 3223, 3288, 3516, 4521, 4688, 6028, 6446, 6576, 7032, 9042, 9669, 12056, 12892, 14064, 18084, 19338, 24112, 25784, 36168, 38676, 40141, 51568, 72336, 77352, 80282, 120423, 154704, 160564, 240846, 321128, 441551, 481692, 642256, 883102, 963384, 1324653, 1766204, 1926768, 2649306, 3532408, 5298612, 7064816, 10597224, 21194448]

約数ペア:

[(1, 21194448), (2, 10597224), (3, 7064816), (4, 5298612), (6, 3532408), (8, 2649306), (11, 1926768), (12, 1766204), (16, 1324653), (22, 963384), (24, 883102), (33, 642256), (44, 481692), (48, 441551), (66, 321128), (88, 240846), (132, 160564), (137, 154704), (176, 120423), (264, 80282), (274, 77352), (293, 72336), (411, 51568), (528, 40141), (548, 38676), (586, 36168), (822, 25784), (879, 24112), (1096, 19338), (1172, 18084), (1507, 14064), (1644, 12892), (1758, 12056), (2192, 9669), (2344, 9042), (3014, 7032), (3223, 6576), (3288, 6446), (3516, 6028), (4521, 4688)]