21902068972

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{104393}}^1$

素因数の和:104590

約数の個数: 48

約数和(自身を含む): 44897771520

約数和(自身を除く): 22995702548

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 127, 236, 254, 413, 508, 826, 889, 1652, 1778, 3556, 7493, 14986, 29972, 52451, 104393, 104902, 208786, 209804, 417572, 730751, 1461502, 2923004, 6159187, 12318374, 13257911, 24636748, 26515822, 43114309, 53031644, 86228618, 92805377, 172457236, 185610754, 371221508, 782216749, 1564433498, 3128866996, 5475517243, 10951034486, 21902068972]

約数ペア:

[(1, 21902068972), (2, 10951034486), (4, 5475517243), (7, 3128866996), (14, 1564433498), (28, 782216749), (59, 371221508), (118, 185610754), (127, 172457236), (236, 92805377), (254, 86228618), (413, 53031644), (508, 43114309), (826, 26515822), (889, 24636748), (1652, 13257911), (1778, 12318374), (3556, 6159187), (7493, 2923004), (14986, 1461502), (29972, 730751), (52451, 417572), (104393, 209804), (104902, 208786)]