21127404789

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{3449}}^1\times {\mathrm{40037}}^1$

素因数の和:43509

約数の個数: 24

約数和(自身を含む): 32322677400

約数和(自身を除く): 11195272611

約数列:

[1, 3, 9, 17, 51, 153, 3449, 10347, 31041, 40037, 58633, 120111, 175899, 360333, 527697, 680629, 2041887, 6125661, 138087613, 414262839, 1242788517, 2347489421, 7042468263, 21127404789]

約数ペア:

[(1, 21127404789), (3, 7042468263), (9, 2347489421), (17, 1242788517), (51, 414262839), (153, 138087613), (3449, 6125661), (10347, 2041887), (31041, 680629), (40037, 527697), (58633, 360333), (120111, 175899)]