21761388

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 60540480

約数和(自身を除く): 38779092

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 179, 198, 307, 358, 396, 537, 614, 716, 921, 1074, 1228, 1611, 1842, 1969, 2148, 2763, 3222, 3377, 3684, 3938, 5526, 5907, 6444, 6754, 7876, 10131, 11052, 11814, 13508, 17721, 20262, 23628, 30393, 35442, 40524, 54953, 60786, 70884, 109906, 121572, 164859, 219812, 329718, 494577, 604483, 659436, 989154, 1208966, 1813449, 1978308, 2417932, 3626898, 5440347, 7253796, 10880694, 21761388]

約数ペア:

[(1, 21761388), (2, 10880694), (3, 7253796), (4, 5440347), (6, 3626898), (9, 2417932), (11, 1978308), (12, 1813449), (18, 1208966), (22, 989154), (33, 659436), (36, 604483), (44, 494577), (66, 329718), (99, 219812), (132, 164859), (179, 121572), (198, 109906), (307, 70884), (358, 60786), (396, 54953), (537, 40524), (614, 35442), (716, 30393), (921, 23628), (1074, 20262), (1228, 17721), (1611, 13508), (1842, 11814), (1969, 11052), (2148, 10131), (2763, 7876), (3222, 6754), (3377, 6444), (3684, 5907), (3938, 5526)]