21478476

素因数分解:

$2^2\times 3^1\times {\mathrm{653}}^1\times {\mathrm{2741}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 50211504

約数和(自身を除く): 28733028

約数列:

[1, 2, 3, 4, 6, 12, 653, 1306, 1959, 2612, 2741, 3918, 5482, 7836, 8223, 10964, 16446, 32892, 1789873, 3579746, 5369619, 7159492, 10739238, 21478476]

約数ペア:

[(1, 21478476), (2, 10739238), (3, 7159492), (4, 5369619), (6, 3579746), (12, 1789873), (653, 32892), (1306, 16446), (1959, 10964), (2612, 8223), (2741, 7836), (3918, 5482)]