21175294

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 37933056

約数和(自身を除く): 16757762

約数列:

[1, 2, 7, 14, 31, 62, 97, 194, 217, 434, 503, 679, 1006, 1358, 3007, 3521, 6014, 7042, 15593, 21049, 31186, 42098, 48791, 97582, 109151, 218302, 341537, 683074, 1512521, 3025042, 10587647, 21175294]

約数ペア:

[(1, 21175294), (2, 10587647), (7, 3025042), (14, 1512521), (31, 683074), (62, 341537), (97, 218302), (194, 109151), (217, 97582), (434, 48791), (503, 42098), (679, 31186), (1006, 21049), (1358, 15593), (3007, 7042), (3521, 6014)]