21445242

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 55770624

約数和(自身を除く): 34325382

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 49, 62, 78, 91, 93, 98, 147, 181, 182, 186, 217, 273, 294, 362, 403, 434, 543, 546, 637, 651, 806, 1086, 1209, 1267, 1274, 1302, 1519, 1911, 2353, 2418, 2534, 2821, 3038, 3801, 3822, 4557, 4706, 5611, 5642, 7059, 7602, 8463, 8869, 9114, 11222, 14118, 16471, 16833, 16926, 17738, 19747, 26607, 32942, 33666, 39277, 39494, 49413, 53214, 59241, 72943, 78554, 98826, 115297, 117831, 118482, 145886, 218829, 230594, 235662, 274939, 345891, 437658, 510601, 549878, 691782, 824817, 1021202, 1531803, 1649634, 3063606, 3574207, 7148414, 10722621, 21445242]

約数ペア:

[(1, 21445242), (2, 10722621), (3, 7148414), (6, 3574207), (7, 3063606), (13, 1649634), (14, 1531803), (21, 1021202), (26, 824817), (31, 691782), (39, 549878), (42, 510601), (49, 437658), (62, 345891), (78, 274939), (91, 235662), (93, 230594), (98, 218829), (147, 145886), (181, 118482), (182, 117831), (186, 115297), (217, 98826), (273, 78554), (294, 72943), (362, 59241), (403, 53214), (434, 49413), (543, 39494), (546, 39277), (637, 33666), (651, 32942), (806, 26607), (1086, 19747), (1209, 17738), (1267, 16926), (1274, 16833), (1302, 16471), (1519, 14118), (1911, 11222), (2353, 9114), (2418, 8869), (2534, 8463), (2821, 7602), (3038, 7059), (3801, 5642), (3822, 5611), (4557, 4706)]