2021900004

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{607}}^1\times {\mathrm{1381}}^1$

素因数の和:2065

約数の個数: 72

約数和(自身を含む): 5199504128

約数和(自身を除く): 3177604124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 607, 804, 1206, 1214, 1381, 1821, 2412, 2428, 2762, 3642, 4143, 5463, 5524, 7284, 8286, 10926, 12429, 16572, 21852, 24858, 40669, 49716, 81338, 92527, 122007, 162676, 185054, 244014, 277581, 366021, 370108, 488028, 555162, 732042, 832743, 838267, 1110324, 1464084, 1665486, 1676534, 2514801, 3330972, 3353068, 5029602, 7544403, 10059204, 15088806, 30177612, 56163889, 112327778, 168491667, 224655556, 336983334, 505475001, 673966668, 1010950002, 2021900004]

約数ペア:

[(1, 2021900004), (2, 1010950002), (3, 673966668), (4, 505475001), (6, 336983334), (9, 224655556), (12, 168491667), (18, 112327778), (36, 56163889), (67, 30177612), (134, 15088806), (201, 10059204), (268, 7544403), (402, 5029602), (603, 3353068), (607, 3330972), (804, 2514801), (1206, 1676534), (1214, 1665486), (1381, 1464084), (1821, 1110324), (2412, 838267), (2428, 832743), (2762, 732042), (3642, 555162), (4143, 488028), (5463, 370108), (5524, 366021), (7284, 277581), (8286, 244014), (10926, 185054), (12429, 162676), (16572, 122007), (21852, 92527), (24858, 81338), (40669, 49716)]