21300284

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 16802116

約数列:

[1, 2, 4, 71, 142, 179, 284, 358, 419, 716, 838, 1676, 12709, 25418, 29749, 50836, 59498, 75001, 118996, 150002, 300004, 5325071, 10650142, 21300284]

約数ペア:

[(1, 21300284), (2, 10650142), (4, 5325071), (71, 300004), (142, 150002), (179, 118996), (284, 75001), (358, 59498), (419, 50836), (716, 29749), (838, 25418), (1676, 12709)]