21569860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3607}}^1$

素因数の和:3652

約数の個数: 48

約数和(自身を含む): 50916096

約数和(自身を除く): 29346236

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3607, 5980, 7214, 14428, 18035, 36070, 46891, 72140, 82961, 93782, 165922, 187564, 234455, 331844, 414805, 468910, 829610, 937820, 1078493, 1659220, 2156986, 4313972, 5392465, 10784930, 21569860]

約数ペア:

[(1, 21569860), (2, 10784930), (4, 5392465), (5, 4313972), (10, 2156986), (13, 1659220), (20, 1078493), (23, 937820), (26, 829610), (46, 468910), (52, 414805), (65, 331844), (92, 234455), (115, 187564), (130, 165922), (230, 93782), (260, 82961), (299, 72140), (460, 46891), (598, 36070), (1196, 18035), (1495, 14428), (2990, 7214), (3607, 5980)]