21874040

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2347}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 49448880

約数和(自身を除く): 27574840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 2347, 4660, 4694, 9320, 9388, 11735, 18776, 23470, 46940, 93880, 546851, 1093702, 2187404, 2734255, 4374808, 5468510, 10937020, 21874040]

約数ペア:

[(1, 21874040), (2, 10937020), (4, 5468510), (5, 4374808), (8, 2734255), (10, 2187404), (20, 1093702), (40, 546851), (233, 93880), (466, 46940), (932, 23470), (1165, 18776), (1864, 11735), (2330, 9388), (2347, 9320), (4660, 4694)]