21360984

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28711}}^1$

素因数の和:28751

約数の個数: 32

約数和(自身を含む): 55127040

約数和(自身を除く): 33766056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28711, 57422, 86133, 114844, 172266, 229688, 344532, 689064, 890041, 1780082, 2670123, 3560164, 5340246, 7120328, 10680492, 21360984]

約数ペア:

[(1, 21360984), (2, 10680492), (3, 7120328), (4, 5340246), (6, 3560164), (8, 2670123), (12, 1780082), (24, 890041), (31, 689064), (62, 344532), (93, 229688), (124, 172266), (186, 114844), (248, 86133), (372, 57422), (744, 28711)]