21875994

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 80

約数和(自身を含む): 56871936

約数和(自身を除く): 34995942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 101, 126, 162, 189, 191, 202, 303, 378, 382, 567, 573, 606, 707, 909, 1134, 1146, 1337, 1414, 1719, 1818, 2121, 2674, 2727, 3438, 4011, 4242, 5157, 5454, 6363, 8022, 8181, 10314, 12033, 12726, 15471, 16362, 19089, 19291, 24066, 30942, 36099, 38178, 38582, 57267, 57873, 72198, 108297, 114534, 115746, 135037, 173619, 216594, 270074, 347238, 405111, 520857, 810222, 1041714, 1215333, 1562571, 2430666, 3125142, 3645999, 7291998, 10937997, 21875994]

約数ペア:

[(1, 21875994), (2, 10937997), (3, 7291998), (6, 3645999), (7, 3125142), (9, 2430666), (14, 1562571), (18, 1215333), (21, 1041714), (27, 810222), (42, 520857), (54, 405111), (63, 347238), (81, 270074), (101, 216594), (126, 173619), (162, 135037), (189, 115746), (191, 114534), (202, 108297), (303, 72198), (378, 57873), (382, 57267), (567, 38582), (573, 38178), (606, 36099), (707, 30942), (909, 24066), (1134, 19291), (1146, 19089), (1337, 16362), (1414, 15471), (1719, 12726), (1818, 12033), (2121, 10314), (2674, 8181), (2727, 8022), (3438, 6363), (4011, 5454), (4242, 5157)]