21984298

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1398

約数の個数: 32

約数和(自身を含む): 40497408

約数和(自身を除く): 18513110

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 1301, 2414, 2602, 8449, 9107, 16898, 18214, 22117, 44234, 92371, 154819, 184742, 309638, 646597, 1293194, 1570307, 3140614, 10992149, 21984298]

約数ペア:

[(1, 21984298), (2, 10992149), (7, 3140614), (14, 1570307), (17, 1293194), (34, 646597), (71, 309638), (119, 184742), (142, 154819), (238, 92371), (497, 44234), (994, 22117), (1207, 18214), (1301, 16898), (2414, 9107), (2602, 8449)]