21568697685

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{442571}}^1$

素因数の和:442623

約数の個数: 48

約数和(自身を含む): 40468783680

約数和(自身を除く): 18900085995

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 361, 513, 855, 1083, 1805, 2565, 3249, 5415, 9747, 16245, 48735, 442571, 1327713, 2212855, 3983139, 6638565, 8408849, 11949417, 19915695, 25226547, 42044245, 59747085, 75679641, 126132735, 159768131, 227038923, 378398205, 479304393, 798840655, 1135194615, 1437913179, 2396521965, 4313739537, 7189565895, 21568697685]

約数ペア:

[(1, 21568697685), (3, 7189565895), (5, 4313739537), (9, 2396521965), (15, 1437913179), (19, 1135194615), (27, 798840655), (45, 479304393), (57, 378398205), (95, 227038923), (135, 159768131), (171, 126132735), (285, 75679641), (361, 59747085), (513, 42044245), (855, 25226547), (1083, 19915695), (1805, 11949417), (2565, 8408849), (3249, 6638565), (5415, 3983139), (9747, 2212855), (16245, 1327713), (48735, 442571)]