21713454

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 60825600

約数和(自身を除く): 39112146

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 31, 34, 42, 51, 54, 62, 63, 93, 102, 109, 119, 126, 153, 186, 189, 217, 218, 238, 279, 306, 327, 357, 378, 434, 459, 527, 558, 651, 654, 714, 763, 837, 918, 981, 1054, 1071, 1302, 1526, 1581, 1674, 1853, 1953, 1962, 2142, 2289, 2943, 3162, 3213, 3379, 3689, 3706, 3906, 4578, 4743, 5559, 5859, 5886, 6426, 6758, 6867, 7378, 9486, 10137, 11067, 11118, 11718, 12971, 13734, 14229, 16677, 20274, 20601, 22134, 23653, 25942, 28458, 30411, 33201, 33354, 38913, 41202, 47306, 50031, 57443, 60822, 66402, 70959, 77826, 91233, 99603, 100062, 114886, 116739, 141918, 172329, 182466, 199206, 212877, 233478, 344658, 350217, 402101, 425754, 516987, 638631, 700434, 804202, 1033974, 1206303, 1277262, 1550961, 2412606, 3101922, 3618909, 7237818, 10856727, 21713454]

約数ペア:

[(1, 21713454), (2, 10856727), (3, 7237818), (6, 3618909), (7, 3101922), (9, 2412606), (14, 1550961), (17, 1277262), (18, 1206303), (21, 1033974), (27, 804202), (31, 700434), (34, 638631), (42, 516987), (51, 425754), (54, 402101), (62, 350217), (63, 344658), (93, 233478), (102, 212877), (109, 199206), (119, 182466), (126, 172329), (153, 141918), (186, 116739), (189, 114886), (217, 100062), (218, 99603), (238, 91233), (279, 77826), (306, 70959), (327, 66402), (357, 60822), (378, 57443), (434, 50031), (459, 47306), (527, 41202), (558, 38913), (651, 33354), (654, 33201), (714, 30411), (763, 28458), (837, 25942), (918, 23653), (981, 22134), (1054, 20601), (1071, 20274), (1302, 16677), (1526, 14229), (1581, 13734), (1674, 12971), (1853, 11718), (1953, 11118), (1962, 11067), (2142, 10137), (2289, 9486), (2943, 7378), (3162, 6867), (3213, 6758), (3379, 6426), (3689, 5886), (3706, 5859), (3906, 5559), (4578, 4743)]