21053418

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 24705750

約数列:

[1, 2, 3, 6, 23, 41, 46, 61, 69, 82, 122, 123, 138, 183, 246, 366, 943, 1403, 1886, 2501, 2806, 2829, 3721, 4209, 5002, 5658, 7442, 7503, 8418, 11163, 15006, 22326, 57523, 85583, 115046, 152561, 171166, 172569, 256749, 305122, 345138, 457683, 513498, 915366, 3508903, 7017806, 10526709, 21053418]

約数ペア:

[(1, 21053418), (2, 10526709), (3, 7017806), (6, 3508903), (23, 915366), (41, 513498), (46, 457683), (61, 345138), (69, 305122), (82, 256749), (122, 172569), (123, 171166), (138, 152561), (183, 115046), (246, 85583), (366, 57523), (943, 22326), (1403, 15006), (1886, 11163), (2501, 8418), (2806, 7503), (2829, 7442), (3721, 5658), (4209, 5002)]