21053214

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12853}}^1$

素因数の和:12881

約数の個数: 48

約数和(自身を含む): 56146272

約数和(自身を除く): 35093058

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12853, 25706, 38559, 77118, 89971, 115677, 167089, 179942, 231354, 269913, 334178, 501267, 539826, 809739, 1002534, 1169623, 1503801, 1619478, 2339246, 3007602, 3508869, 7017738, 10526607, 21053214]

約数ペア:

[(1, 21053214), (2, 10526607), (3, 7017738), (6, 3508869), (7, 3007602), (9, 2339246), (13, 1619478), (14, 1503801), (18, 1169623), (21, 1002534), (26, 809739), (39, 539826), (42, 501267), (63, 334178), (78, 269913), (91, 231354), (117, 179942), (126, 167089), (182, 115677), (234, 89971), (273, 77118), (546, 38559), (819, 25706), (1638, 12853)]