21712872

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{19249}}^1$

素因数の和:19305

約数の個数: 32

約数和(自身を含む): 55440000

約数和(自身を除く): 33727128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 19249, 38498, 57747, 76996, 115494, 153992, 230988, 461976, 904703, 1809406, 2714109, 3618812, 5428218, 7237624, 10856436, 21712872]

約数ペア:

[(1, 21712872), (2, 10856436), (3, 7237624), (4, 5428218), (6, 3618812), (8, 2714109), (12, 1809406), (24, 904703), (47, 461976), (94, 230988), (141, 153992), (188, 115494), (282, 76996), (376, 57747), (564, 38498), (1128, 19249)]