21436624

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3929}}^1$

素因数の和:3979

約数の個数: 40

約数和(自身を含む): 46782720

約数和(自身を除く): 25346096

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3929, 5456, 7858, 15716, 31432, 43219, 62864, 86438, 121799, 172876, 243598, 345752, 487196, 691504, 974392, 1339789, 1948784, 2679578, 5359156, 10718312, 21436624]

約数ペア:

[(1, 21436624), (2, 10718312), (4, 5359156), (8, 2679578), (11, 1948784), (16, 1339789), (22, 974392), (31, 691504), (44, 487196), (62, 345752), (88, 243598), (124, 172876), (176, 121799), (248, 86438), (341, 62864), (496, 43219), (682, 31432), (1364, 15716), (2728, 7858), (3929, 5456)]