21645636

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{683}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 31979964

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 683, 834, 1366, 1668, 2049, 2641, 2732, 4098, 5282, 7923, 8196, 10564, 12977, 15846, 25954, 31692, 38931, 51908, 77862, 94937, 155724, 189874, 284811, 379748, 569622, 1139244, 1803803, 3607606, 5411409, 7215212, 10822818, 21645636]

約数ペア:

[(1, 21645636), (2, 10822818), (3, 7215212), (4, 5411409), (6, 3607606), (12, 1803803), (19, 1139244), (38, 569622), (57, 379748), (76, 284811), (114, 189874), (139, 155724), (228, 94937), (278, 77862), (417, 51908), (556, 38931), (683, 31692), (834, 25954), (1366, 15846), (1668, 12977), (2049, 10564), (2641, 8196), (2732, 7923), (4098, 5282)]