21083345493

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{7283}}^1$

素因数の和:7766

約数の個数: 48

約数和(自身を含む): 33480760320

約数和(自身を除く): 12397414827

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 419, 987, 1257, 2303, 2933, 6909, 7283, 8799, 19693, 20531, 21849, 50981, 59079, 61593, 137851, 152943, 342301, 356867, 413553, 964957, 1026903, 1070601, 2396107, 2894871, 3051577, 7188321, 9154731, 16772749, 21361039, 50318247, 64083117, 143424119, 149527273, 430272357, 448581819, 1003968833, 3011906499, 7027781831, 21083345493]

約数ペア:

[(1, 21083345493), (3, 7027781831), (7, 3011906499), (21, 1003968833), (47, 448581819), (49, 430272357), (141, 149527273), (147, 143424119), (329, 64083117), (419, 50318247), (987, 21361039), (1257, 16772749), (2303, 9154731), (2933, 7188321), (6909, 3051577), (7283, 2894871), (8799, 2396107), (19693, 1070601), (20531, 1026903), (21849, 964957), (50981, 413553), (59079, 356867), (61593, 342301), (137851, 152943)]