21683585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3313}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 34359552

約数和(自身を除く): 12675967

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 3313, 6545, 16565, 23191, 36443, 56321, 115955, 182215, 255101, 281605, 394247, 619531, 1275505, 1971235, 3097655, 4336717, 21683585]

約数ペア:

[(1, 21683585), (5, 4336717), (7, 3097655), (11, 1971235), (17, 1275505), (35, 619531), (55, 394247), (77, 281605), (85, 255101), (119, 182215), (187, 115955), (385, 56321), (595, 36443), (935, 23191), (1309, 16565), (3313, 6545)]