21392994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4673}}^1$

素因数の和:4794

約数の個数: 32

約数和(自身を含む): 49357440

約数和(自身を除く): 27964446

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 4673, 9346, 14019, 28038, 32711, 65422, 98133, 196266, 509357, 1018714, 1528071, 3056142, 3565499, 7130998, 10696497, 21392994]

約数ペア:

[(1, 21392994), (2, 10696497), (3, 7130998), (6, 3565499), (7, 3056142), (14, 1528071), (21, 1018714), (42, 509357), (109, 196266), (218, 98133), (327, 65422), (654, 32711), (763, 28038), (1526, 14019), (2289, 9346), (4578, 4673)]