21449478

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 27321594

約数列:

[1, 2, 3, 6, 17, 23, 34, 41, 46, 51, 69, 82, 102, 123, 138, 223, 246, 391, 446, 669, 697, 782, 943, 1173, 1338, 1394, 1886, 2091, 2346, 2829, 3791, 4182, 5129, 5658, 7582, 9143, 10258, 11373, 15387, 16031, 18286, 22746, 27429, 30774, 32062, 48093, 54858, 87193, 96186, 155431, 174386, 210289, 261579, 310862, 420578, 466293, 523158, 630867, 932586, 1261734, 3574913, 7149826, 10724739, 21449478]

約数ペア:

[(1, 21449478), (2, 10724739), (3, 7149826), (6, 3574913), (17, 1261734), (23, 932586), (34, 630867), (41, 523158), (46, 466293), (51, 420578), (69, 310862), (82, 261579), (102, 210289), (123, 174386), (138, 155431), (223, 96186), (246, 87193), (391, 54858), (446, 48093), (669, 32062), (697, 30774), (782, 27429), (943, 22746), (1173, 18286), (1338, 16031), (1394, 15387), (1886, 11373), (2091, 10258), (2346, 9143), (2829, 7582), (3791, 5658), (4182, 5129)]