21026103

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{52697}}^1$

素因数の和:52726

約数の個数: 16

約数和(自身を含む): 33726720

約数和(自身を除く): 12700617

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 52697, 158091, 368879, 1001243, 1106637, 3003729, 7008701, 21026103]

約数ペア:

[(1, 21026103), (3, 7008701), (7, 3003729), (19, 1106637), (21, 1001243), (57, 368879), (133, 158091), (399, 52697)]