21771414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1319}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 54362880

約数和(自身を除く): 32591466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1319, 1834, 2358, 2638, 2751, 3957, 5502, 7914, 8253, 9233, 11871, 16506, 18466, 23742, 27699, 55398, 83097, 166194, 172789, 345578, 518367, 1036734, 1209523, 1555101, 2419046, 3110202, 3628569, 7257138, 10885707, 21771414]

約数ペア:

[(1, 21771414), (2, 10885707), (3, 7257138), (6, 3628569), (7, 3110202), (9, 2419046), (14, 1555101), (18, 1209523), (21, 1036734), (42, 518367), (63, 345578), (126, 172789), (131, 166194), (262, 83097), (393, 55398), (786, 27699), (917, 23742), (1179, 18466), (1319, 16506), (1834, 11871), (2358, 9233), (2638, 8253), (2751, 7914), (3957, 5502)]