21024138

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 26115702

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 61, 62, 93, 102, 109, 122, 183, 186, 218, 327, 366, 527, 654, 1037, 1054, 1581, 1853, 1891, 2074, 3111, 3162, 3379, 3706, 3782, 5559, 5673, 6222, 6649, 6758, 10137, 11118, 11346, 13298, 19947, 20274, 32147, 39894, 57443, 64294, 96441, 113033, 114886, 172329, 192882, 206119, 226066, 339099, 344658, 412238, 618357, 678198, 1236714, 3504023, 7008046, 10512069, 21024138]

約数ペア:

[(1, 21024138), (2, 10512069), (3, 7008046), (6, 3504023), (17, 1236714), (31, 678198), (34, 618357), (51, 412238), (61, 344658), (62, 339099), (93, 226066), (102, 206119), (109, 192882), (122, 172329), (183, 114886), (186, 113033), (218, 96441), (327, 64294), (366, 57443), (527, 39894), (654, 32147), (1037, 20274), (1054, 19947), (1581, 13298), (1853, 11346), (1891, 11118), (2074, 10137), (3111, 6758), (3162, 6649), (3379, 6222), (3706, 5673), (3782, 5559)]