21256326

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:730

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 38497914

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 683, 741, 798, 819, 1197, 1366, 1482, 1638, 1729, 2049, 2223, 2394, 3458, 4098, 4446, 4781, 5187, 6147, 8879, 9562, 10374, 12294, 12977, 14343, 15561, 17758, 25954, 26637, 28686, 31122, 38931, 43029, 53274, 62153, 77862, 79911, 86058, 90839, 116793, 124306, 159822, 168701, 181678, 186459, 233586, 272517, 337402, 372918, 506103, 545034, 559377, 817551, 1012206, 1118754, 1180907, 1518309, 1635102, 2361814, 3036618, 3542721, 7085442, 10628163, 21256326]

約数ペア:

[(1, 21256326), (2, 10628163), (3, 7085442), (6, 3542721), (7, 3036618), (9, 2361814), (13, 1635102), (14, 1518309), (18, 1180907), (19, 1118754), (21, 1012206), (26, 817551), (38, 559377), (39, 545034), (42, 506103), (57, 372918), (63, 337402), (78, 272517), (91, 233586), (114, 186459), (117, 181678), (126, 168701), (133, 159822), (171, 124306), (182, 116793), (234, 90839), (247, 86058), (266, 79911), (273, 77862), (342, 62153), (399, 53274), (494, 43029), (546, 38931), (683, 31122), (741, 28686), (798, 26637), (819, 25954), (1197, 17758), (1366, 15561), (1482, 14343), (1638, 12977), (1729, 12294), (2049, 10374), (2223, 9562), (2394, 8879), (3458, 6147), (4098, 5187), (4446, 4781)]