21709908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 60767616

約数和(自身を除く): 39057708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 73, 99, 132, 146, 198, 219, 292, 396, 438, 657, 751, 803, 876, 1314, 1502, 1606, 2253, 2409, 2628, 3004, 3212, 4506, 4818, 6759, 7227, 8261, 9012, 9636, 13518, 14454, 16522, 24783, 27036, 28908, 33044, 49566, 54823, 74349, 99132, 109646, 148698, 164469, 219292, 297396, 328938, 493407, 603053, 657876, 986814, 1206106, 1809159, 1973628, 2412212, 3618318, 5427477, 7236636, 10854954, 21709908]

約数ペア:

[(1, 21709908), (2, 10854954), (3, 7236636), (4, 5427477), (6, 3618318), (9, 2412212), (11, 1973628), (12, 1809159), (18, 1206106), (22, 986814), (33, 657876), (36, 603053), (44, 493407), (66, 328938), (73, 297396), (99, 219292), (132, 164469), (146, 148698), (198, 109646), (219, 99132), (292, 74349), (396, 54823), (438, 49566), (657, 33044), (751, 28908), (803, 27036), (876, 24783), (1314, 16522), (1502, 14454), (1606, 13518), (2253, 9636), (2409, 9012), (2628, 8261), (3004, 7227), (3212, 6759), (4506, 4818)]