21998994

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 47779200

約数和(自身を除く): 25780206

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 174, 239, 478, 529, 667, 717, 1058, 1334, 1434, 1587, 2001, 3174, 4002, 5497, 6931, 10994, 13862, 15341, 16491, 20793, 30682, 32982, 41586, 46023, 92046, 126431, 159413, 252862, 318826, 379293, 478239, 758586, 956478, 3666499, 7332998, 10999497, 21998994]

約数ペア:

[(1, 21998994), (2, 10999497), (3, 7332998), (6, 3666499), (23, 956478), (29, 758586), (46, 478239), (58, 379293), (69, 318826), (87, 252862), (138, 159413), (174, 126431), (239, 92046), (478, 46023), (529, 41586), (667, 32982), (717, 30682), (1058, 20793), (1334, 16491), (1434, 15341), (1587, 13862), (2001, 10994), (3174, 6931), (4002, 5497)]