21992712

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1201}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 63465600

約数和(自身を除く): 41472888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 109, 168, 218, 327, 436, 654, 763, 872, 1201, 1308, 1526, 2289, 2402, 2616, 3052, 3603, 4578, 4804, 6104, 7206, 8407, 9156, 9608, 14412, 16814, 18312, 25221, 28824, 33628, 50442, 67256, 100884, 130909, 201768, 261818, 392727, 523636, 785454, 916363, 1047272, 1570908, 1832726, 2749089, 3141816, 3665452, 5498178, 7330904, 10996356, 21992712]

約数ペア:

[(1, 21992712), (2, 10996356), (3, 7330904), (4, 5498178), (6, 3665452), (7, 3141816), (8, 2749089), (12, 1832726), (14, 1570908), (21, 1047272), (24, 916363), (28, 785454), (42, 523636), (56, 392727), (84, 261818), (109, 201768), (168, 130909), (218, 100884), (327, 67256), (436, 50442), (654, 33628), (763, 28824), (872, 25221), (1201, 18312), (1308, 16814), (1526, 14412), (2289, 9608), (2402, 9156), (2616, 8407), (3052, 7206), (3603, 6104), (4578, 4804)]