21890544

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{35081}}^1$

素因数の和:35105

約数の個数: 40

約数和(自身を含む): 60902352

約数和(自身を除く): 39011808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 35081, 70162, 105243, 140324, 210486, 280648, 420972, 456053, 561296, 841944, 912106, 1368159, 1683888, 1824212, 2736318, 3648424, 5472636, 7296848, 10945272, 21890544]

約数ペア:

[(1, 21890544), (2, 10945272), (3, 7296848), (4, 5472636), (6, 3648424), (8, 2736318), (12, 1824212), (13, 1683888), (16, 1368159), (24, 912106), (26, 841944), (39, 561296), (48, 456053), (52, 420972), (78, 280648), (104, 210486), (156, 140324), (208, 105243), (312, 70162), (624, 35081)]