21645162

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 62741952

約数和(自身を除く): 41096790

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 23, 33, 42, 46, 49, 63, 66, 69, 77, 97, 98, 99, 126, 138, 147, 154, 161, 194, 198, 207, 231, 253, 291, 294, 322, 414, 441, 462, 483, 506, 539, 582, 679, 693, 759, 873, 882, 966, 1067, 1078, 1127, 1358, 1386, 1449, 1518, 1617, 1746, 1771, 2037, 2134, 2231, 2254, 2277, 2898, 3201, 3234, 3381, 3542, 4074, 4462, 4554, 4753, 4851, 5313, 6111, 6402, 6693, 6762, 7469, 9506, 9603, 9702, 10143, 10626, 12222, 12397, 13386, 14259, 14938, 15617, 15939, 19206, 20079, 20286, 22407, 24541, 24794, 28518, 31234, 31878, 37191, 40158, 42777, 44814, 46851, 49082, 52283, 67221, 73623, 74382, 85554, 93702, 104566, 109319, 111573, 134442, 140553, 147246, 156849, 171787, 218638, 220869, 223146, 281106, 313698, 327957, 343574, 441738, 470547, 515361, 655914, 941094, 983871, 1030722, 1202509, 1546083, 1967742, 2405018, 3092166, 3607527, 7215054, 10822581, 21645162]

約数ペア:

[(1, 21645162), (2, 10822581), (3, 7215054), (6, 3607527), (7, 3092166), (9, 2405018), (11, 1967742), (14, 1546083), (18, 1202509), (21, 1030722), (22, 983871), (23, 941094), (33, 655914), (42, 515361), (46, 470547), (49, 441738), (63, 343574), (66, 327957), (69, 313698), (77, 281106), (97, 223146), (98, 220869), (99, 218638), (126, 171787), (138, 156849), (147, 147246), (154, 140553), (161, 134442), (194, 111573), (198, 109319), (207, 104566), (231, 93702), (253, 85554), (291, 74382), (294, 73623), (322, 67221), (414, 52283), (441, 49082), (462, 46851), (483, 44814), (506, 42777), (539, 40158), (582, 37191), (679, 31878), (693, 31234), (759, 28518), (873, 24794), (882, 24541), (966, 22407), (1067, 20286), (1078, 20079), (1127, 19206), (1358, 15939), (1386, 15617), (1449, 14938), (1518, 14259), (1617, 13386), (1746, 12397), (1771, 12222), (2037, 10626), (2134, 10143), (2231, 9702), (2254, 9603), (2277, 9506), (2898, 7469), (3201, 6762), (3234, 6693), (3381, 6402), (3542, 6111), (4074, 5313), (4462, 4851), (4554, 4753)]