21208997076

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{96797}}^1$

素因数の和:96885

約数の個数: 72

約数和(自身を含む): 53827431840

約数和(自身を除く): 32618434764

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 961, 1178, 1767, 1922, 2356, 2883, 3534, 3844, 5766, 7068, 11532, 18259, 36518, 54777, 73036, 96797, 109554, 193594, 219108, 290391, 387188, 580782, 1161564, 1839143, 3000707, 3678286, 5517429, 6001414, 7356572, 9002121, 11034858, 12002828, 18004242, 22069716, 36008484, 57013433, 93021917, 114026866, 171040299, 186043834, 228053732, 279065751, 342080598, 372087668, 558131502, 684161196, 1116263004, 1767416423, 3534832846, 5302249269, 7069665692, 10604498538, 21208997076]

約数ペア:

[(1, 21208997076), (2, 10604498538), (3, 7069665692), (4, 5302249269), (6, 3534832846), (12, 1767416423), (19, 1116263004), (31, 684161196), (38, 558131502), (57, 372087668), (62, 342080598), (76, 279065751), (93, 228053732), (114, 186043834), (124, 171040299), (186, 114026866), (228, 93021917), (372, 57013433), (589, 36008484), (961, 22069716), (1178, 18004242), (1767, 12002828), (1922, 11034858), (2356, 9002121), (2883, 7356572), (3534, 6001414), (3844, 5517429), (5766, 3678286), (7068, 3000707), (11532, 1839143), (18259, 1161564), (36518, 580782), (54777, 387188), (73036, 290391), (96797, 219108), (109554, 193594)]