21784776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 60873120

約数和(自身を除く): 39088344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 131, 156, 164, 169, 246, 262, 312, 328, 338, 393, 492, 507, 524, 533, 676, 786, 984, 1014, 1048, 1066, 1352, 1572, 1599, 1703, 2028, 2132, 3144, 3198, 3406, 4056, 4264, 5109, 5371, 6396, 6812, 6929, 10218, 10742, 12792, 13624, 13858, 16113, 20436, 20787, 21484, 22139, 27716, 32226, 40872, 41574, 42968, 44278, 55432, 64452, 66417, 69823, 83148, 88556, 128904, 132834, 139646, 166296, 177112, 209469, 265668, 279292, 418938, 531336, 558584, 837876, 907699, 1675752, 1815398, 2723097, 3630796, 5446194, 7261592, 10892388, 21784776]

約数ペア:

[(1, 21784776), (2, 10892388), (3, 7261592), (4, 5446194), (6, 3630796), (8, 2723097), (12, 1815398), (13, 1675752), (24, 907699), (26, 837876), (39, 558584), (41, 531336), (52, 418938), (78, 279292), (82, 265668), (104, 209469), (123, 177112), (131, 166296), (156, 139646), (164, 132834), (169, 128904), (246, 88556), (262, 83148), (312, 69823), (328, 66417), (338, 64452), (393, 55432), (492, 44278), (507, 42968), (524, 41574), (533, 40872), (676, 32226), (786, 27716), (984, 22139), (1014, 21484), (1048, 20787), (1066, 20436), (1352, 16113), (1572, 13858), (1599, 13624), (1703, 12792), (2028, 10742), (2132, 10218), (3144, 6929), (3198, 6812), (3406, 6396), (4056, 5371), (4264, 5109)]