21549970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3527}}^1$

素因数の和:3594

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 21124718

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3527, 6110, 7054, 17635, 35270, 45851, 91702, 165769, 229255, 331538, 458510, 828845, 1657690, 2154997, 4309994, 10774985, 21549970]

約数ペア:

[(1, 21549970), (2, 10774985), (5, 4309994), (10, 2154997), (13, 1657690), (26, 828845), (47, 458510), (65, 331538), (94, 229255), (130, 165769), (235, 91702), (470, 45851), (611, 35270), (1222, 17635), (3055, 7054), (3527, 6110)]