21713900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16703}}^1$

素因数の和:16730

約数の個数: 36

約数和(自身を含む): 50746752

約数和(自身を除く): 29032852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16703, 33406, 66812, 83515, 167030, 217139, 334060, 417575, 434278, 835150, 868556, 1085695, 1670300, 2171390, 4342780, 5428475, 10856950, 21713900]

約数ペア:

[(1, 21713900), (2, 10856950), (4, 5428475), (5, 4342780), (10, 2171390), (13, 1670300), (20, 1085695), (25, 868556), (26, 835150), (50, 434278), (52, 417575), (65, 334060), (100, 217139), (130, 167030), (260, 83515), (325, 66812), (650, 33406), (1300, 16703)]