21787056

素因数分解:

$2^4\times 3^4\times {\mathrm{16811}}^1$

素因数の和:16831

約数の個数: 50

約数和(自身を含む): 63061812

約数和(自身を除く): 41274756

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, 16811, 33622, 50433, 67244, 100866, 134488, 151299, 201732, 268976, 302598, 403464, 453897, 605196, 806928, 907794, 1210392, 1361691, 1815588, 2420784, 2723382, 3631176, 5446764, 7262352, 10893528, 21787056]

約数ペア:

[(1, 21787056), (2, 10893528), (3, 7262352), (4, 5446764), (6, 3631176), (8, 2723382), (9, 2420784), (12, 1815588), (16, 1361691), (18, 1210392), (24, 907794), (27, 806928), (36, 605196), (48, 453897), (54, 403464), (72, 302598), (81, 268976), (108, 201732), (144, 151299), (162, 134488), (216, 100866), (324, 67244), (432, 50433), (648, 33622), (1296, 16811)]