21089808

素因数分解:

$2^4\times 3^4\times {\mathrm{16273}}^1$

素因数の和:16293

約数の個数: 50

約数和(自身を含む): 61043774

約数和(自身を除く): 39953966

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16273, 32546, 48819, 65092, 97638, 130184, 146457, 195276, 260368, 292914, 390552, 439371, 585828, 781104, 878742, 1171656, 1318113, 1757484, 2343312, 2636226, 3514968, 5272452, 7029936, 10544904, 21089808]

約数ペア:

[(1, 21089808), (2, 10544904), (3, 7029936), (4, 5272452), (6, 3514968), (8, 2636226), (9, 2343312), (12, 1757484), (16, 1318113), (18, 1171656), (24, 878742), (27, 781104), (36, 585828), (48, 439371), (54, 390552), (72, 292914), (81, 260368), (108, 195276), (144, 146457), (162, 130184), (216, 97638), (324, 65092), (432, 48819), (648, 32546), (1296, 16273)]