21355230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3221}}^1$

素因数の和:3261

約数の個数: 64

約数和(自身を含む): 58459968

約数和(自身を除く): 37104738

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3221, 3315, 6442, 6630, 9663, 16105, 19326, 32210, 41873, 48315, 54757, 83746, 96630, 109514, 125619, 164271, 209365, 251238, 273785, 328542, 418730, 547570, 628095, 711841, 821355, 1256190, 1423682, 1642710, 2135523, 3559205, 4271046, 7118410, 10677615, 21355230]

約数ペア:

[(1, 21355230), (2, 10677615), (3, 7118410), (5, 4271046), (6, 3559205), (10, 2135523), (13, 1642710), (15, 1423682), (17, 1256190), (26, 821355), (30, 711841), (34, 628095), (39, 547570), (51, 418730), (65, 328542), (78, 273785), (85, 251238), (102, 209365), (130, 164271), (170, 125619), (195, 109514), (221, 96630), (255, 83746), (390, 54757), (442, 48315), (510, 41873), (663, 32210), (1105, 19326), (1326, 16105), (2210, 9663), (3221, 6630), (3315, 6442)]