21494627

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 7121053

約数列:

[1, 7, 11, 23, 53, 77, 161, 229, 253, 371, 583, 1219, 1603, 1771, 2519, 4081, 5267, 8533, 12137, 13409, 17633, 36869, 57937, 84959, 93863, 133507, 279151, 405559, 934549, 1954057, 3070661, 21494627]

約数ペア:

[(1, 21494627), (7, 3070661), (11, 1954057), (23, 934549), (53, 405559), (77, 279151), (161, 133507), (229, 93863), (253, 84959), (371, 57937), (583, 36869), (1219, 17633), (1603, 13409), (1771, 12137), (2519, 8533), (4081, 5267)]