21606468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 55573056

約数和(自身を除く): 33966588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3221, 3354, 6442, 6708, 9663, 12884, 19326, 38652, 41873, 83746, 125619, 138503, 167492, 251238, 277006, 415509, 502476, 554012, 831018, 1662036, 1800539, 3601078, 5401617, 7202156, 10803234, 21606468]

約数ペア:

[(1, 21606468), (2, 10803234), (3, 7202156), (4, 5401617), (6, 3601078), (12, 1800539), (13, 1662036), (26, 831018), (39, 554012), (43, 502476), (52, 415509), (78, 277006), (86, 251238), (129, 167492), (156, 138503), (172, 125619), (258, 83746), (516, 41873), (559, 38652), (1118, 19326), (1677, 12884), (2236, 9663), (3221, 6708), (3354, 6442)]