21286146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1109}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 48804480

約数和(自身を除く): 27518334

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 457, 914, 1109, 1371, 2218, 2742, 3199, 3327, 6398, 6654, 7763, 9597, 15526, 19194, 23289, 46578, 506813, 1013626, 1520439, 3040878, 3547691, 7095382, 10643073, 21286146]

約数ペア:

[(1, 21286146), (2, 10643073), (3, 7095382), (6, 3547691), (7, 3040878), (14, 1520439), (21, 1013626), (42, 506813), (457, 46578), (914, 23289), (1109, 19194), (1371, 15526), (2218, 9597), (2742, 7763), (3199, 6654), (3327, 6398)]