21685048

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 53187840

約数和(自身を除く): 31502792

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 49, 56, 77, 88, 94, 98, 107, 154, 188, 196, 214, 308, 329, 376, 392, 428, 517, 539, 616, 658, 749, 856, 1034, 1078, 1177, 1316, 1498, 2068, 2156, 2303, 2354, 2632, 2996, 3619, 4136, 4312, 4606, 4708, 5029, 5243, 5992, 7238, 8239, 9212, 9416, 10058, 10486, 14476, 16478, 18424, 20116, 20972, 25333, 28952, 32956, 35203, 40232, 41944, 50666, 55319, 57673, 65912, 70406, 101332, 110638, 115346, 140812, 202664, 221276, 230692, 246421, 281624, 387233, 442552, 461384, 492842, 774466, 985684, 1548932, 1971368, 2710631, 3097864, 5421262, 10842524, 21685048]

約数ペア:

[(1, 21685048), (2, 10842524), (4, 5421262), (7, 3097864), (8, 2710631), (11, 1971368), (14, 1548932), (22, 985684), (28, 774466), (44, 492842), (47, 461384), (49, 442552), (56, 387233), (77, 281624), (88, 246421), (94, 230692), (98, 221276), (107, 202664), (154, 140812), (188, 115346), (196, 110638), (214, 101332), (308, 70406), (329, 65912), (376, 57673), (392, 55319), (428, 50666), (517, 41944), (539, 40232), (616, 35203), (658, 32956), (749, 28952), (856, 25333), (1034, 20972), (1078, 20116), (1177, 18424), (1316, 16478), (1498, 14476), (2068, 10486), (2156, 10058), (2303, 9416), (2354, 9212), (2632, 8239), (2996, 7238), (3619, 5992), (4136, 5243), (4312, 5029), (4606, 4708)]