21536904

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 56067840

約数和(自身を除く): 34530936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 61, 94, 122, 141, 183, 188, 244, 282, 313, 366, 376, 488, 564, 626, 732, 939, 1128, 1252, 1464, 1878, 2504, 2867, 3756, 5734, 7512, 8601, 11468, 14711, 17202, 19093, 22936, 29422, 34404, 38186, 44133, 57279, 58844, 68808, 76372, 88266, 114558, 117688, 152744, 176532, 229116, 353064, 458232, 897371, 1794742, 2692113, 3589484, 5384226, 7178968, 10768452, 21536904]

約数ペア:

[(1, 21536904), (2, 10768452), (3, 7178968), (4, 5384226), (6, 3589484), (8, 2692113), (12, 1794742), (24, 897371), (47, 458232), (61, 353064), (94, 229116), (122, 176532), (141, 152744), (183, 117688), (188, 114558), (244, 88266), (282, 76372), (313, 68808), (366, 58844), (376, 57279), (488, 44133), (564, 38186), (626, 34404), (732, 29422), (939, 22936), (1128, 19093), (1252, 17202), (1464, 14711), (1878, 11468), (2504, 8601), (2867, 7512), (3756, 5734)]