21521094

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1121

約数の個数: 48

約数和(自身を含む): 50823936

約数和(自身を除く): 29302842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 994, 1031, 1491, 2062, 2982, 3093, 3479, 6186, 6958, 7217, 10437, 14434, 20874, 21651, 43302, 50519, 73201, 101038, 146402, 151557, 219603, 303114, 439206, 512407, 1024814, 1537221, 3074442, 3586849, 7173698, 10760547, 21521094]

約数ペア:

[(1, 21521094), (2, 10760547), (3, 7173698), (6, 3586849), (7, 3074442), (14, 1537221), (21, 1024814), (42, 512407), (49, 439206), (71, 303114), (98, 219603), (142, 151557), (147, 146402), (213, 101038), (294, 73201), (426, 50519), (497, 43302), (994, 21651), (1031, 20874), (1491, 14434), (2062, 10437), (2982, 7217), (3093, 6958), (3479, 6186)]