21818210

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 40303872

約数和(自身を除く): 18485662

約数列:

[1, 2, 5, 10, 83, 97, 166, 194, 271, 415, 485, 542, 830, 970, 1355, 2710, 8051, 16102, 22493, 26287, 40255, 44986, 52574, 80510, 112465, 131435, 224930, 262870, 2181821, 4363642, 10909105, 21818210]

約数ペア:

[(1, 21818210), (2, 10909105), (5, 4363642), (10, 2181821), (83, 262870), (97, 224930), (166, 131435), (194, 112465), (271, 80510), (415, 52574), (485, 44986), (542, 40255), (830, 26287), (970, 22493), (1355, 16102), (2710, 8051)]