21248688

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 60353280

約数和(自身を除く): 39104592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 1013, 1104, 1311, 1748, 2026, 2622, 3039, 3496, 4052, 5244, 6078, 6992, 8104, 10488, 12156, 16208, 19247, 20976, 23299, 24312, 38494, 46598, 48624, 57741, 69897, 76988, 93196, 115482, 139794, 153976, 186392, 230964, 279588, 307952, 372784, 442681, 461928, 559176, 885362, 923856, 1118352, 1328043, 1770724, 2656086, 3541448, 5312172, 7082896, 10624344, 21248688]

約数ペア:

[(1, 21248688), (2, 10624344), (3, 7082896), (4, 5312172), (6, 3541448), (8, 2656086), (12, 1770724), (16, 1328043), (19, 1118352), (23, 923856), (24, 885362), (38, 559176), (46, 461928), (48, 442681), (57, 372784), (69, 307952), (76, 279588), (92, 230964), (114, 186392), (138, 153976), (152, 139794), (184, 115482), (228, 93196), (276, 76988), (304, 69897), (368, 57741), (437, 48624), (456, 46598), (552, 38494), (874, 24312), (912, 23299), (1013, 20976), (1104, 19247), (1311, 16208), (1748, 12156), (2026, 10488), (2622, 8104), (3039, 6992), (3496, 6078), (4052, 5244)]