21207804954

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{2819}}^1\times {\mathrm{25589}}^1$

素因数の和:28427

約数の個数: 48

約数和(自身を含む): 49360039200

約数和(自身を除く): 28152234246

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 2819, 5638, 8457, 16914, 19733, 25589, 39466, 51178, 59199, 76767, 118398, 138131, 153534, 179123, 276262, 358246, 414393, 537369, 828786, 1074738, 1253861, 2507722, 3761583, 7523166, 72135391, 144270782, 216406173, 432812346, 504947737, 1009895474, 1514843211, 3029686422, 3534634159, 7069268318, 10603902477, 21207804954]

約数ペア:

[(1, 21207804954), (2, 10603902477), (3, 7069268318), (6, 3534634159), (7, 3029686422), (14, 1514843211), (21, 1009895474), (42, 504947737), (49, 432812346), (98, 216406173), (147, 144270782), (294, 72135391), (2819, 7523166), (5638, 3761583), (8457, 2507722), (16914, 1253861), (19733, 1074738), (25589, 828786), (39466, 537369), (51178, 414393), (59199, 358246), (76767, 276262), (118398, 179123), (138131, 153534)]