21932720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16127}}^1$

素因数の和:16157

約数の個数: 40

約数和(自身を含む): 53996544

約数和(自身を除く): 32063824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 16127, 32254, 64508, 80635, 129016, 161270, 258032, 274159, 322540, 548318, 645080, 1096636, 1290160, 1370795, 2193272, 2741590, 4386544, 5483180, 10966360, 21932720]

約数ペア:

[(1, 21932720), (2, 10966360), (4, 5483180), (5, 4386544), (8, 2741590), (10, 2193272), (16, 1370795), (17, 1290160), (20, 1096636), (34, 645080), (40, 548318), (68, 322540), (80, 274159), (85, 258032), (136, 161270), (170, 129016), (272, 80635), (340, 64508), (680, 32254), (1360, 16127)]