21309736

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3923}}^1$

素因数の和:4033

約数の個数: 32

約数和(自身を含む): 46146240

約数和(自身を除く): 24836504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 3923, 5432, 7846, 15692, 27461, 31384, 54922, 109844, 219688, 380531, 761062, 1522124, 2663717, 3044248, 5327434, 10654868, 21309736]

約数ペア:

[(1, 21309736), (2, 10654868), (4, 5327434), (7, 3044248), (8, 2663717), (14, 1522124), (28, 761062), (56, 380531), (97, 219688), (194, 109844), (388, 54922), (679, 31384), (776, 27461), (1358, 15692), (2716, 7846), (3923, 5432)]