21315063

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1741}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 36122112

約数和(自身を除く): 14807049

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1741, 1749, 4081, 5223, 12187, 12243, 19151, 36561, 57453, 92273, 134057, 276819, 402171, 645911, 1015003, 1937733, 3045009, 7105021, 21315063]

約数ペア:

[(1, 21315063), (3, 7105021), (7, 3045009), (11, 1937733), (21, 1015003), (33, 645911), (53, 402171), (77, 276819), (159, 134057), (231, 92273), (371, 57453), (583, 36561), (1113, 19151), (1741, 12243), (1749, 12187), (4081, 5223)]