21097714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2969}}^1$

素因数の和:3018

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 17393486

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2969, 3553, 5938, 7106, 32659, 50473, 56411, 65318, 100946, 112822, 555203, 620521, 958987, 1110406, 1241042, 1917974, 10548857, 21097714]

約数ペア:

[(1, 21097714), (2, 10548857), (11, 1917974), (17, 1241042), (19, 1110406), (22, 958987), (34, 620521), (38, 555203), (187, 112822), (209, 100946), (323, 65318), (374, 56411), (418, 50473), (646, 32659), (2969, 7106), (3553, 5938)]