21997718210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{99013}}^1$

素因数の和:100742

約数の個数: 32

約数和(自身を含む): 42667112880

約数和(自身を除く): 20669394670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1709, 3418, 8545, 17090, 22217, 44434, 99013, 111085, 198026, 222170, 495065, 990130, 1287169, 2574338, 6435845, 12871690, 169213217, 338426434, 846066085, 1692132170, 2199771821, 4399543642, 10998859105, 21997718210]

約数ペア:

[(1, 21997718210), (2, 10998859105), (5, 4399543642), (10, 2199771821), (13, 1692132170), (26, 846066085), (65, 338426434), (130, 169213217), (1709, 12871690), (3418, 6435845), (8545, 2574338), (17090, 1287169), (22217, 990130), (44434, 495065), (99013, 222170), (111085, 198026)]