21875990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19492330

約数列:

[1, 2, 5, 10, 23, 46, 115, 227, 230, 419, 454, 838, 1135, 2095, 2270, 4190, 5221, 9637, 10442, 19274, 26105, 48185, 52210, 95113, 96370, 190226, 475565, 951130, 2187599, 4375198, 10937995, 21875990]

約数ペア:

[(1, 21875990), (2, 10937995), (5, 4375198), (10, 2187599), (23, 951130), (46, 475565), (115, 190226), (227, 96370), (230, 95113), (419, 52210), (454, 48185), (838, 26105), (1135, 19274), (2095, 10442), (2270, 9637), (4190, 5221)]