21034988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13049}}^1$

素因数の和:13097

約数の個数: 24

約数和(自身を含む): 40924800

約数和(自身を除く): 19889812

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13049, 26098, 52196, 169637, 339274, 404519, 678548, 809038, 1618076, 5258747, 10517494, 21034988]

約数ペア:

[(1, 21034988), (2, 10517494), (4, 5258747), (13, 1618076), (26, 809038), (31, 678548), (52, 404519), (62, 339274), (124, 169637), (403, 52196), (806, 26098), (1612, 13049)]