21621558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{877}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 49561344

約数和(自身を除く): 27939786

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 587, 877, 1174, 1754, 1761, 2631, 3522, 4109, 5262, 6139, 8218, 12278, 12327, 18417, 24654, 36834, 514799, 1029598, 1544397, 3088794, 3603593, 7207186, 10810779, 21621558]

約数ペア:

[(1, 21621558), (2, 10810779), (3, 7207186), (6, 3603593), (7, 3088794), (14, 1544397), (21, 1029598), (42, 514799), (587, 36834), (877, 24654), (1174, 18417), (1754, 12327), (1761, 12278), (2631, 8218), (3522, 6139), (4109, 5262)]