21196656

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^3\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 120

約数和(自身を含む): 65221520

約数和(自身を除く): 44024864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 67, 72, 78, 104, 117, 134, 144, 156, 169, 201, 208, 234, 268, 312, 338, 402, 468, 507, 536, 603, 624, 676, 804, 871, 936, 1014, 1072, 1206, 1352, 1521, 1608, 1742, 1872, 2028, 2197, 2412, 2613, 2704, 3042, 3216, 3484, 4056, 4394, 4824, 5226, 6084, 6591, 6968, 7839, 8112, 8788, 9648, 10452, 11323, 12168, 13182, 13936, 15678, 17576, 19773, 20904, 22646, 24336, 26364, 31356, 33969, 35152, 39546, 41808, 45292, 52728, 62712, 67938, 79092, 90584, 101907, 105456, 125424, 135876, 147199, 158184, 181168, 203814, 271752, 294398, 316368, 407628, 441597, 543504, 588796, 815256, 883194, 1177592, 1324791, 1630512, 1766388, 2355184, 2649582, 3532776, 5299164, 7065552, 10598328, 21196656]

約数ペア:

[(1, 21196656), (2, 10598328), (3, 7065552), (4, 5299164), (6, 3532776), (8, 2649582), (9, 2355184), (12, 1766388), (13, 1630512), (16, 1324791), (18, 1177592), (24, 883194), (26, 815256), (36, 588796), (39, 543504), (48, 441597), (52, 407628), (67, 316368), (72, 294398), (78, 271752), (104, 203814), (117, 181168), (134, 158184), (144, 147199), (156, 135876), (169, 125424), (201, 105456), (208, 101907), (234, 90584), (268, 79092), (312, 67938), (338, 62712), (402, 52728), (468, 45292), (507, 41808), (536, 39546), (603, 35152), (624, 33969), (676, 31356), (804, 26364), (871, 24336), (936, 22646), (1014, 20904), (1072, 19773), (1206, 17576), (1352, 15678), (1521, 13936), (1608, 13182), (1742, 12168), (1872, 11323), (2028, 10452), (2197, 9648), (2412, 8788), (2613, 8112), (2704, 7839), (3042, 6968), (3216, 6591), (3484, 6084), (4056, 5226), (4394, 4824)]