21167972336

素因数分解:

$2^4\times 7^1\times {\mathrm{907}}^1\times {\mathrm{208379}}^1$

素因数の和:209301

約数の個数: 40

約数和(自身を含む): 46923841920

約数和(自身を除く): 25755869584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 907, 1814, 3628, 6349, 7256, 12698, 14512, 25396, 50792, 101584, 208379, 416758, 833516, 1458653, 1667032, 2917306, 3334064, 5834612, 11669224, 23338448, 188999753, 377999506, 755999012, 1322998271, 1511998024, 2645996542, 3023996048, 5291993084, 10583986168, 21167972336]

約数ペア:

[(1, 21167972336), (2, 10583986168), (4, 5291993084), (7, 3023996048), (8, 2645996542), (14, 1511998024), (16, 1322998271), (28, 755999012), (56, 377999506), (112, 188999753), (907, 23338448), (1814, 11669224), (3628, 5834612), (6349, 3334064), (7256, 2917306), (12698, 1667032), (14512, 1458653), (25396, 833516), (50792, 416758), (101584, 208379)]