21495038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4243}}^1$

素因数の和:4411

約数の個数: 16

約数和(自身を含む): 34376400

約数和(自身を除く): 12881362

約数列:

[1, 2, 17, 34, 149, 298, 2533, 4243, 5066, 8486, 72131, 144262, 632207, 1264414, 10747519, 21495038]

約数ペア:

[(1, 21495038), (2, 10747519), (17, 1264414), (34, 632207), (149, 144262), (298, 72131), (2533, 8486), (4243, 5066)]