21857670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{242863}}^1$

素因数の和:242876

約数の個数: 24

約数和(自身を含む): 56830176

約数和(自身を除く): 34972506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 242863, 485726, 728589, 1214315, 1457178, 2185767, 2428630, 3642945, 4371534, 7285890, 10928835, 21857670]

約数ペア:

[(1, 21857670), (2, 10928835), (3, 7285890), (5, 4371534), (6, 3642945), (9, 2428630), (10, 2185767), (15, 1457178), (18, 1214315), (30, 728589), (45, 485726), (90, 242863)]