21572970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17539}}^1$

素因数の和:17590

約数の個数: 32

約数和(自身を含む): 53040960

約数和(自身を除く): 31467990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17539, 35078, 52617, 87695, 105234, 175390, 263085, 526170, 719099, 1438198, 2157297, 3595495, 4314594, 7190990, 10786485, 21572970]

約数ペア:

[(1, 21572970), (2, 10786485), (3, 7190990), (5, 4314594), (6, 3595495), (10, 2157297), (15, 1438198), (30, 719099), (41, 526170), (82, 263085), (123, 175390), (205, 105234), (246, 87695), (410, 52617), (615, 35078), (1230, 17539)]