21127192

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2633}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 42670800

約数和(自身を除く): 21543608

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 472, 1003, 2006, 2633, 4012, 5266, 8024, 10532, 21064, 44761, 89522, 155347, 179044, 310694, 358088, 621388, 1242776, 2640899, 5281798, 10563596, 21127192]

約数ペア:

[(1, 21127192), (2, 10563596), (4, 5281798), (8, 2640899), (17, 1242776), (34, 621388), (59, 358088), (68, 310694), (118, 179044), (136, 155347), (236, 89522), (472, 44761), (1003, 21064), (2006, 10532), (2633, 8024), (4012, 5266)]