21135516

素因数分解:

$2^2\times 3^1\times {\mathrm{227}}^1\times {\mathrm{7759}}^1$

素因数の和:7993

約数の個数: 24

約数和(自身を含む): 49539840

約数和(自身を除く): 28404324

約数列:

[1, 2, 3, 4, 6, 12, 227, 454, 681, 908, 1362, 2724, 7759, 15518, 23277, 31036, 46554, 93108, 1761293, 3522586, 5283879, 7045172, 10567758, 21135516]

約数ペア:

[(1, 21135516), (2, 10567758), (3, 7045172), (4, 5283879), (6, 3522586), (12, 1761293), (227, 93108), (454, 46554), (681, 31036), (908, 23277), (1362, 15518), (2724, 7759)]