21818604

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 52787168

約数和(自身を除く): 30968564

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 157, 222, 313, 314, 444, 471, 626, 628, 939, 942, 1252, 1878, 1884, 3756, 5809, 11581, 11618, 17427, 23162, 23236, 34743, 34854, 46324, 49141, 69486, 69708, 98282, 138972, 147423, 196564, 294846, 589692, 1818217, 3636434, 5454651, 7272868, 10909302, 21818604]

約数ペア:

[(1, 21818604), (2, 10909302), (3, 7272868), (4, 5454651), (6, 3636434), (12, 1818217), (37, 589692), (74, 294846), (111, 196564), (148, 147423), (157, 138972), (222, 98282), (313, 69708), (314, 69486), (444, 49141), (471, 46324), (626, 34854), (628, 34743), (939, 23236), (942, 23162), (1252, 17427), (1878, 11618), (1884, 11581), (3756, 5809)]