21541738309

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{32159}}^1$

素因数の和:32629

約数の個数: 32

約数和(自身を含む): 28138199040

約数和(自身を除く): 6596460731

約数列:

[1, 7, 13, 17, 91, 119, 221, 433, 1547, 3031, 5629, 7361, 32159, 39403, 51527, 95693, 225113, 418067, 546703, 669851, 2926469, 3826921, 7107139, 13924847, 49749973, 97473929, 181023011, 236722399, 1267161077, 1657056793, 3077391187, 21541738309]

約数ペア:

[(1, 21541738309), (7, 3077391187), (13, 1657056793), (17, 1267161077), (91, 236722399), (119, 181023011), (221, 97473929), (433, 49749973), (1547, 13924847), (3031, 7107139), (5629, 3826921), (7361, 2926469), (32159, 669851), (39403, 546703), (51527, 418067), (95693, 225113)]