21951940

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4793}}^1$

素因数の和:5031

約数の個数: 24

約数和(自身を含む): 46310040

約数和(自身を除く): 24358100

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 4793, 9586, 19172, 23965, 47930, 95860, 1097597, 2195194, 4390388, 5487985, 10975970, 21951940]

約数ペア:

[(1, 21951940), (2, 10975970), (4, 5487985), (5, 4390388), (10, 2195194), (20, 1097597), (229, 95860), (458, 47930), (916, 23965), (1145, 19172), (2290, 9586), (4580, 4793)]