21581954752

素因数分解:

$2^6\times {\mathrm{613}}^1\times {\mathrm{550111}}^1$

素因数の和:550736

約数の個数: 28

約数和(自身を含む): 42896633536

約数和(自身を除く): 21314678784

約数列:

[1, 2, 4, 8, 16, 32, 64, 613, 1226, 2452, 4904, 9808, 19616, 39232, 550111, 1100222, 2200444, 4400888, 8801776, 17603552, 35207104, 337218043, 674436086, 1348872172, 2697744344, 5395488688, 10790977376, 21581954752]

約数ペア:

[(1, 21581954752), (2, 10790977376), (4, 5395488688), (8, 2697744344), (16, 1348872172), (32, 674436086), (64, 337218043), (613, 35207104), (1226, 17603552), (2452, 8801776), (4904, 4400888), (9808, 2200444), (19616, 1100222), (39232, 550111)]