21159298

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 24

約数和(自身を含む): 33424380

約数和(自身を除く): 12265082

約数列:

[1, 2, 31, 62, 101, 109, 202, 218, 961, 1922, 3131, 3379, 6262, 6758, 11009, 22018, 97061, 104749, 194122, 209498, 341279, 682558, 10579649, 21159298]

約数ペア:

[(1, 21159298), (2, 10579649), (31, 682558), (62, 341279), (101, 209498), (109, 194122), (202, 104749), (218, 97061), (961, 22018), (1922, 11009), (3131, 6758), (3379, 6262)]