21329204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9539}}^1$

素因数の和:9599

約数の個数: 24

約数和(自身を含む): 41136480

約数和(自身を除く): 19807276

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9539, 19078, 38156, 124007, 248014, 410177, 496028, 820354, 1640708, 5332301, 10664602, 21329204]

約数ペア:

[(1, 21329204), (2, 10664602), (4, 5332301), (13, 1640708), (26, 820354), (43, 496028), (52, 410177), (86, 248014), (172, 124007), (559, 38156), (1118, 19078), (2236, 9539)]