21992512487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 24580412928

約数和(自身を除く): 2587900441

約数列:

[1, 11, 71, 211, 317, 421, 781, 2321, 3487, 4631, 14981, 22507, 29891, 66887, 88831, 133457, 164791, 247577, 328801, 735757, 977141, 1468027, 4748977, 6307001, 9475447, 28159427, 52238747, 69377011, 104229917, 309753697, 1999319317, 21992512487]

約数ペア:

[(1, 21992512487), (11, 1999319317), (71, 309753697), (211, 104229917), (317, 69377011), (421, 52238747), (781, 28159427), (2321, 9475447), (3487, 6307001), (4631, 4748977), (14981, 1468027), (22507, 977141), (29891, 735757), (66887, 328801), (88831, 247577), (133457, 164791)]