21553854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2659}}^1$

素因数の和:2864

約数の個数: 32

約数和(自身を含む): 49539840

約数和(自身を除く): 27985986

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 193, 386, 579, 1158, 1351, 2659, 2702, 4053, 5318, 7977, 8106, 15954, 18613, 37226, 55839, 111678, 513187, 1026374, 1539561, 3079122, 3592309, 7184618, 10776927, 21553854]

約数ペア:

[(1, 21553854), (2, 10776927), (3, 7184618), (6, 3592309), (7, 3079122), (14, 1539561), (21, 1026374), (42, 513187), (193, 111678), (386, 55839), (579, 37226), (1158, 18613), (1351, 15954), (2659, 8106), (2702, 7977), (4053, 5318)]