21225044

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 42166656

約数和(自身を除く): 20941612

約数列:

[1, 2, 4, 17, 23, 34, 41, 46, 68, 82, 92, 164, 331, 391, 662, 697, 782, 943, 1324, 1394, 1564, 1886, 2788, 3772, 5627, 7613, 11254, 13571, 15226, 16031, 22508, 27142, 30452, 32062, 54284, 64124, 129421, 230707, 258842, 312133, 461414, 517684, 624266, 922828, 1248532, 5306261, 10612522, 21225044]

約数ペア:

[(1, 21225044), (2, 10612522), (4, 5306261), (17, 1248532), (23, 922828), (34, 624266), (41, 517684), (46, 461414), (68, 312133), (82, 258842), (92, 230707), (164, 129421), (331, 64124), (391, 54284), (662, 32062), (697, 30452), (782, 27142), (943, 22508), (1324, 16031), (1394, 15226), (1564, 13571), (1886, 11254), (2788, 7613), (3772, 5627)]