21402654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39199}}^1$

素因数の和:39224

約数の個数: 32

約数和(自身を含む): 52684800

約数和(自身を除く): 31282146

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39199, 78398, 117597, 235194, 274393, 509587, 548786, 823179, 1019174, 1528761, 1646358, 3057522, 3567109, 7134218, 10701327, 21402654]

約数ペア:

[(1, 21402654), (2, 10701327), (3, 7134218), (6, 3567109), (7, 3057522), (13, 1646358), (14, 1528761), (21, 1019174), (26, 823179), (39, 548786), (42, 509587), (78, 274393), (91, 235194), (182, 117597), (273, 78398), (546, 39199)]