21184812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 59444112

約数和(自身を除く): 38259300

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 61, 66, 99, 122, 132, 183, 198, 244, 366, 396, 549, 671, 732, 877, 1098, 1342, 1754, 2013, 2196, 2631, 2684, 3508, 4026, 5262, 6039, 7893, 8052, 9647, 10524, 12078, 15786, 19294, 24156, 28941, 31572, 38588, 53497, 57882, 86823, 106994, 115764, 160491, 173646, 213988, 320982, 347292, 481473, 588467, 641964, 962946, 1176934, 1765401, 1925892, 2353868, 3530802, 5296203, 7061604, 10592406, 21184812]

約数ペア:

[(1, 21184812), (2, 10592406), (3, 7061604), (4, 5296203), (6, 3530802), (9, 2353868), (11, 1925892), (12, 1765401), (18, 1176934), (22, 962946), (33, 641964), (36, 588467), (44, 481473), (61, 347292), (66, 320982), (99, 213988), (122, 173646), (132, 160491), (183, 115764), (198, 106994), (244, 86823), (366, 57882), (396, 53497), (549, 38588), (671, 31572), (732, 28941), (877, 24156), (1098, 19294), (1342, 15786), (1754, 12078), (2013, 10524), (2196, 9647), (2631, 8052), (2684, 7893), (3508, 6039), (4026, 5262)]