21014193

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 29759616

約数和(自身を除く): 8745423

約数列:

[1, 3, 17, 51, 631, 653, 1893, 1959, 10727, 11101, 32181, 33303, 412043, 1236129, 7004731, 21014193]

約数ペア:

[(1, 21014193), (3, 7004731), (17, 1236129), (51, 412043), (631, 33303), (653, 32181), (1893, 11101), (1959, 10727)]