21457042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19471}}^1$

素因数の和:19521

約数の個数: 16

約数和(自身を含む): 35049600

約数和(自身を除く): 13592558

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19471, 38942, 369949, 564659, 739898, 1129318, 10728521, 21457042]

約数ペア:

[(1, 21457042), (2, 10728521), (19, 1129318), (29, 739898), (38, 564659), (58, 369949), (551, 38942), (1102, 19471)]