21457206

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51829}}^1$

素因数の和:51860

約数の個数: 24

約数和(自身を含む): 48512880

約数和(自身を除く): 27055674

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51829, 103658, 155487, 310974, 466461, 932922, 1192067, 2384134, 3576201, 7152402, 10728603, 21457206]

約数ペア:

[(1, 21457206), (2, 10728603), (3, 7152402), (6, 3576201), (9, 2384134), (18, 1192067), (23, 932922), (46, 466461), (69, 310974), (138, 155487), (207, 103658), (414, 51829)]