21167309820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{139387}}^1$

素因数の和:141930

約数の個数: 48

約数和(自身を含む): 59292309888

約数和(自身を除く): 38125000068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2531, 5062, 7593, 10124, 12655, 15186, 25310, 30372, 37965, 50620, 75930, 139387, 151860, 278774, 418161, 557548, 696935, 836322, 1393870, 1672644, 2090805, 2787740, 4181610, 8363220, 352788497, 705576994, 1058365491, 1411153988, 1763942485, 2116730982, 3527884970, 4233461964, 5291827455, 7055769940, 10583654910, 21167309820]

約数ペア:

[(1, 21167309820), (2, 10583654910), (3, 7055769940), (4, 5291827455), (5, 4233461964), (6, 3527884970), (10, 2116730982), (12, 1763942485), (15, 1411153988), (20, 1058365491), (30, 705576994), (60, 352788497), (2531, 8363220), (5062, 4181610), (7593, 2787740), (10124, 2090805), (12655, 1672644), (15186, 1393870), (25310, 836322), (30372, 696935), (37965, 557548), (50620, 418161), (75930, 278774), (139387, 151860)]