21653104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7237}}^1$

素因数の和:7273

約数の個数: 40

約数和(自身を含む): 48465648

約数和(自身を除く): 26812544

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7237, 14474, 28948, 57896, 79607, 115792, 123029, 159214, 246058, 318428, 492116, 636856, 984232, 1273712, 1353319, 1968464, 2706638, 5413276, 10826552, 21653104]

約数ペア:

[(1, 21653104), (2, 10826552), (4, 5413276), (8, 2706638), (11, 1968464), (16, 1353319), (17, 1273712), (22, 984232), (34, 636856), (44, 492116), (68, 318428), (88, 246058), (136, 159214), (176, 123029), (187, 115792), (272, 79607), (374, 57896), (748, 28948), (1496, 14474), (2992, 7237)]