21948164

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 24355324

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 173, 197, 322, 346, 394, 644, 692, 788, 1211, 1379, 2422, 2758, 3979, 4531, 4844, 5516, 7958, 9062, 15916, 18124, 27853, 31717, 34081, 55706, 63434, 68162, 111412, 126868, 136324, 238567, 477134, 783863, 954268, 1567726, 3135452, 5487041, 10974082, 21948164]

約数ペア:

[(1, 21948164), (2, 10974082), (4, 5487041), (7, 3135452), (14, 1567726), (23, 954268), (28, 783863), (46, 477134), (92, 238567), (161, 136324), (173, 126868), (197, 111412), (322, 68162), (346, 63434), (394, 55706), (644, 34081), (692, 31717), (788, 27853), (1211, 18124), (1379, 15916), (2422, 9062), (2758, 7958), (3979, 5516), (4531, 4844)]