21929061

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1609}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 15165339

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1609, 1947, 4543, 4827, 11263, 13629, 17699, 33789, 53097, 94931, 123893, 284793, 371679, 664517, 1044241, 1993551, 3132723, 7309687, 21929061]

約数ペア:

[(1, 21929061), (3, 7309687), (7, 3132723), (11, 1993551), (21, 1044241), (33, 664517), (59, 371679), (77, 284793), (177, 123893), (231, 94931), (413, 53097), (649, 33789), (1239, 17699), (1609, 13629), (1947, 11263), (4543, 4827)]