21083024

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 42193728

約数和(自身を除く): 21110704

約数列:

[1, 2, 4, 8, 16, 67, 71, 134, 142, 268, 277, 284, 536, 554, 568, 1072, 1108, 1136, 2216, 4432, 4757, 9514, 18559, 19028, 19667, 37118, 38056, 39334, 74236, 76112, 78668, 148472, 157336, 296944, 314672, 1317689, 2635378, 5270756, 10541512, 21083024]

約数ペア:

[(1, 21083024), (2, 10541512), (4, 5270756), (8, 2635378), (16, 1317689), (67, 314672), (71, 296944), (134, 157336), (142, 148472), (268, 78668), (277, 76112), (284, 74236), (536, 39334), (554, 38056), (568, 37118), (1072, 19667), (1108, 19028), (1136, 18559), (2216, 9514), (4432, 4757)]