21743694

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 59996160

約数和(自身を除く): 38252466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 41, 42, 46, 54, 61, 63, 69, 82, 122, 123, 126, 138, 161, 183, 189, 207, 246, 287, 322, 366, 369, 378, 414, 427, 483, 549, 574, 621, 738, 854, 861, 943, 966, 1098, 1107, 1242, 1281, 1403, 1449, 1647, 1722, 1886, 2214, 2501, 2562, 2583, 2806, 2829, 2898, 3294, 3843, 4209, 4347, 5002, 5166, 5658, 6601, 7503, 7686, 7749, 8418, 8487, 8694, 9821, 11529, 12627, 13202, 15006, 15498, 16974, 17507, 19642, 19803, 22509, 23058, 25254, 25461, 29463, 35014, 37881, 39606, 45018, 50922, 52521, 57523, 58926, 59409, 67527, 75762, 88389, 105042, 115046, 118818, 135054, 157563, 172569, 176778, 178227, 265167, 315126, 345138, 356454, 402661, 472689, 517707, 530334, 805322, 945378, 1035414, 1207983, 1553121, 2415966, 3106242, 3623949, 7247898, 10871847, 21743694]

約数ペア:

[(1, 21743694), (2, 10871847), (3, 7247898), (6, 3623949), (7, 3106242), (9, 2415966), (14, 1553121), (18, 1207983), (21, 1035414), (23, 945378), (27, 805322), (41, 530334), (42, 517707), (46, 472689), (54, 402661), (61, 356454), (63, 345138), (69, 315126), (82, 265167), (122, 178227), (123, 176778), (126, 172569), (138, 157563), (161, 135054), (183, 118818), (189, 115046), (207, 105042), (246, 88389), (287, 75762), (322, 67527), (366, 59409), (369, 58926), (378, 57523), (414, 52521), (427, 50922), (483, 45018), (549, 39606), (574, 37881), (621, 35014), (738, 29463), (854, 25461), (861, 25254), (943, 23058), (966, 22509), (1098, 19803), (1107, 19642), (1242, 17507), (1281, 16974), (1403, 15498), (1449, 15006), (1647, 13202), (1722, 12627), (1886, 11529), (2214, 9821), (2501, 8694), (2562, 8487), (2583, 8418), (2806, 7749), (2829, 7686), (2898, 7503), (3294, 6601), (3843, 5658), (4209, 5166), (4347, 5002)]