21580170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1669}}^1$

素因数の和:2110

約数の個数: 32

約数和(自身を含む): 51943680

約数和(自身を除く): 30363510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1669, 2155, 2586, 3338, 4310, 5007, 6465, 8345, 10014, 12930, 16690, 25035, 50070, 719339, 1438678, 2158017, 3596695, 4316034, 7193390, 10790085, 21580170]

約数ペア:

[(1, 21580170), (2, 10790085), (3, 7193390), (5, 4316034), (6, 3596695), (10, 2158017), (15, 1438678), (30, 719339), (431, 50070), (862, 25035), (1293, 16690), (1669, 12930), (2155, 10014), (2586, 8345), (3338, 6465), (4310, 5007)]