21607388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{719}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 41368320

約数和(自身を除く): 19760932

約数列:

[1, 2, 4, 11, 22, 44, 683, 719, 1366, 1438, 2732, 2876, 7513, 7909, 15026, 15818, 30052, 31636, 491077, 982154, 1964308, 5401847, 10803694, 21607388]

約数ペア:

[(1, 21607388), (2, 10803694), (4, 5401847), (11, 1964308), (22, 982154), (44, 491077), (683, 31636), (719, 30052), (1366, 15818), (1438, 15026), (2732, 7909), (2876, 7513)]