21591592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2251}}^1$

素因数の和:2377

約数の個数: 32

約数和(自身を含む): 44589600

約数和(自身を除く): 22998008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2251, 2398, 4502, 4796, 9004, 9592, 18008, 24761, 49522, 99044, 198088, 245359, 490718, 981436, 1962872, 2698949, 5397898, 10795796, 21591592]

約数ペア:

[(1, 21591592), (2, 10795796), (4, 5397898), (8, 2698949), (11, 1962872), (22, 981436), (44, 490718), (88, 245359), (109, 198088), (218, 99044), (436, 49522), (872, 24761), (1199, 18008), (2251, 9592), (2398, 9004), (4502, 4796)]