21840434

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3833}}^1$

素因数の和:3890

約数の個数: 32

約数和(自身を含む): 41959296

約数和(自身を除く): 20118862

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3833, 5698, 7666, 26831, 42163, 53662, 84326, 141821, 283642, 295141, 590282, 992747, 1560031, 1985494, 3120062, 10920217, 21840434]

約数ペア:

[(1, 21840434), (2, 10920217), (7, 3120062), (11, 1985494), (14, 1560031), (22, 992747), (37, 590282), (74, 295141), (77, 283642), (154, 141821), (259, 84326), (407, 53662), (518, 42163), (814, 26831), (2849, 7666), (3833, 5698)]