21879494

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 18763066

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 239, 478, 503, 1006, 1673, 3107, 3346, 3521, 6214, 6539, 7042, 13078, 21749, 43498, 45773, 91546, 120217, 240434, 841519, 1562821, 1683038, 3125642, 10939747, 21879494]

約数ペア:

[(1, 21879494), (2, 10939747), (7, 3125642), (13, 1683038), (14, 1562821), (26, 841519), (91, 240434), (182, 120217), (239, 91546), (478, 45773), (503, 43498), (1006, 21749), (1673, 13078), (3107, 7042), (3346, 6539), (3521, 6214)]