21000401269

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{74093}}^1$

素因数の和:74388

約数の個数: 16

約数和(自身を含む): 22306443264

約数和(自身を除く): 1306041995

約数列:

[1, 31, 41, 223, 1271, 6913, 9143, 74093, 283433, 2296883, 3037813, 16522739, 94172203, 512204909, 677432299, 21000401269]

約数ペア:

[(1, 21000401269), (31, 677432299), (41, 512204909), (223, 94172203), (1271, 16522739), (6913, 3037813), (9143, 2296883), (74093, 283433)]