21178045478

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1\times {\mathrm{507599}}^1$

素因数の和:508531

約数の個数: 16

約数和(自身を含む): 33184857600

約数和(自身を除く): 12006812122

約数列:

[1, 2, 23, 46, 907, 1814, 20861, 41722, 507599, 1015198, 11674777, 23349554, 460392293, 920784586, 10589022739, 21178045478]

約数ペア:

[(1, 21178045478), (2, 10589022739), (23, 920784586), (46, 460392293), (907, 23349554), (1814, 11674777), (20861, 1015198), (41722, 507599)]