21861546

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 54960768

約数和(自身を除く): 33099222

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 53, 61, 69, 98, 106, 122, 138, 147, 159, 161, 183, 294, 318, 322, 366, 371, 427, 483, 742, 854, 966, 1113, 1127, 1219, 1281, 1403, 2226, 2254, 2438, 2562, 2597, 2806, 2989, 3233, 3381, 3657, 4209, 5194, 5978, 6466, 6762, 7314, 7791, 8418, 8533, 8967, 9699, 9821, 15582, 17066, 17934, 19398, 19642, 22631, 25599, 29463, 45262, 51198, 58926, 59731, 67893, 68747, 74359, 119462, 135786, 137494, 148718, 158417, 179193, 206241, 223077, 316834, 358386, 412482, 446154, 475251, 520513, 950502, 1041026, 1561539, 3123078, 3643591, 7287182, 10930773, 21861546]

約数ペア:

[(1, 21861546), (2, 10930773), (3, 7287182), (6, 3643591), (7, 3123078), (14, 1561539), (21, 1041026), (23, 950502), (42, 520513), (46, 475251), (49, 446154), (53, 412482), (61, 358386), (69, 316834), (98, 223077), (106, 206241), (122, 179193), (138, 158417), (147, 148718), (159, 137494), (161, 135786), (183, 119462), (294, 74359), (318, 68747), (322, 67893), (366, 59731), (371, 58926), (427, 51198), (483, 45262), (742, 29463), (854, 25599), (966, 22631), (1113, 19642), (1127, 19398), (1219, 17934), (1281, 17066), (1403, 15582), (2226, 9821), (2254, 9699), (2438, 8967), (2562, 8533), (2597, 8418), (2806, 7791), (2989, 7314), (3233, 6762), (3381, 6466), (3657, 5978), (4209, 5194)]