21436254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2789}}^1$

素因数の和:2865

約数の個数: 48

約数和(自身を含む): 53969760

約数和(自身を除く): 32533506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 2789, 3843, 5578, 7686, 8367, 16734, 19523, 25101, 39046, 50202, 58569, 117138, 170129, 175707, 340258, 351414, 510387, 1020774, 1190903, 1531161, 2381806, 3062322, 3572709, 7145418, 10718127, 21436254]

約数ペア:

[(1, 21436254), (2, 10718127), (3, 7145418), (6, 3572709), (7, 3062322), (9, 2381806), (14, 1531161), (18, 1190903), (21, 1020774), (42, 510387), (61, 351414), (63, 340258), (122, 175707), (126, 170129), (183, 117138), (366, 58569), (427, 50202), (549, 39046), (854, 25101), (1098, 19523), (1281, 16734), (2562, 8367), (2789, 7686), (3843, 5578)]