21731796

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2707}}^1$

素因数の和:2940

約数の個数: 36

約数和(自身を含む): 55199872

約数和(自身を除く): 33468076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2676, 2707, 4014, 5414, 8028, 8121, 10828, 16242, 24363, 32484, 48726, 97452, 603661, 1207322, 1810983, 2414644, 3621966, 5432949, 7243932, 10865898, 21731796]

約数ペア:

[(1, 21731796), (2, 10865898), (3, 7243932), (4, 5432949), (6, 3621966), (9, 2414644), (12, 1810983), (18, 1207322), (36, 603661), (223, 97452), (446, 48726), (669, 32484), (892, 24363), (1338, 16242), (2007, 10828), (2676, 8121), (2707, 8028), (4014, 5414)]