21040698

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1213}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 49822560

約数和(自身を除く): 28781862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 59, 98, 118, 147, 177, 294, 354, 413, 826, 1213, 1239, 2426, 2478, 2891, 3639, 5782, 7278, 8491, 8673, 16982, 17346, 25473, 50946, 59437, 71567, 118874, 143134, 178311, 214701, 356622, 429402, 500969, 1001938, 1502907, 3005814, 3506783, 7013566, 10520349, 21040698]

約数ペア:

[(1, 21040698), (2, 10520349), (3, 7013566), (6, 3506783), (7, 3005814), (14, 1502907), (21, 1001938), (42, 500969), (49, 429402), (59, 356622), (98, 214701), (118, 178311), (147, 143134), (177, 118874), (294, 71567), (354, 59437), (413, 50946), (826, 25473), (1213, 17346), (1239, 16982), (2426, 8673), (2478, 8491), (2891, 7278), (3639, 5782)]