21781716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5372

約数の個数: 48

約数和(自身を含む): 57243648

約数和(自身を除く): 35461932

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 5323, 10646, 15969, 21292, 31938, 58553, 63876, 117106, 165013, 175659, 234212, 330026, 351318, 495039, 660052, 702636, 990078, 1815143, 1980156, 3630286, 5445429, 7260572, 10890858, 21781716]

約数ペア:

[(1, 21781716), (2, 10890858), (3, 7260572), (4, 5445429), (6, 3630286), (11, 1980156), (12, 1815143), (22, 990078), (31, 702636), (33, 660052), (44, 495039), (62, 351318), (66, 330026), (93, 234212), (124, 175659), (132, 165013), (186, 117106), (341, 63876), (372, 58553), (682, 31938), (1023, 21292), (1364, 15969), (2046, 10646), (4092, 5323)]