21036582

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 59540832

約数和(自身を除く): 38504250

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 34, 42, 46, 49, 51, 61, 63, 69, 98, 102, 119, 122, 126, 138, 147, 153, 161, 183, 207, 238, 294, 306, 322, 357, 366, 391, 414, 427, 441, 483, 549, 714, 782, 833, 854, 882, 966, 1037, 1071, 1098, 1127, 1173, 1281, 1403, 1449, 1666, 2074, 2142, 2254, 2346, 2499, 2562, 2737, 2806, 2898, 2989, 3111, 3381, 3519, 3843, 4209, 4998, 5474, 5978, 6222, 6762, 7038, 7259, 7497, 7686, 8211, 8418, 8967, 9333, 9821, 10143, 12627, 14518, 14994, 16422, 17934, 18666, 19159, 19642, 20286, 21777, 23851, 24633, 25254, 26901, 29463, 38318, 43554, 47702, 49266, 50813, 53802, 57477, 58926, 65331, 68747, 71553, 88389, 101626, 114954, 130662, 137494, 143106, 152439, 166957, 172431, 176778, 206241, 214659, 304878, 333914, 344862, 412482, 429318, 457317, 500871, 618723, 914634, 1001742, 1168699, 1237446, 1502613, 2337398, 3005226, 3506097, 7012194, 10518291, 21036582]

約数ペア:

[(1, 21036582), (2, 10518291), (3, 7012194), (6, 3506097), (7, 3005226), (9, 2337398), (14, 1502613), (17, 1237446), (18, 1168699), (21, 1001742), (23, 914634), (34, 618723), (42, 500871), (46, 457317), (49, 429318), (51, 412482), (61, 344862), (63, 333914), (69, 304878), (98, 214659), (102, 206241), (119, 176778), (122, 172431), (126, 166957), (138, 152439), (147, 143106), (153, 137494), (161, 130662), (183, 114954), (207, 101626), (238, 88389), (294, 71553), (306, 68747), (322, 65331), (357, 58926), (366, 57477), (391, 53802), (414, 50813), (427, 49266), (441, 47702), (483, 43554), (549, 38318), (714, 29463), (782, 26901), (833, 25254), (854, 24633), (882, 23851), (966, 21777), (1037, 20286), (1071, 19642), (1098, 19159), (1127, 18666), (1173, 17934), (1281, 16422), (1403, 14994), (1449, 14518), (1666, 12627), (2074, 10143), (2142, 9821), (2254, 9333), (2346, 8967), (2499, 8418), (2562, 8211), (2737, 7686), (2806, 7497), (2898, 7259), (2989, 7038), (3111, 6762), (3381, 6222), (3519, 5978), (3843, 5474), (4209, 4998)]