21236446

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3784

約数の個数: 32

約数和(自身を含む): 40799232

約数和(自身を除く): 19562786

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3727, 5698, 7454, 26089, 40997, 52178, 81994, 137899, 275798, 286979, 573958, 965293, 1516889, 1930586, 3033778, 10618223, 21236446]

約数ペア:

[(1, 21236446), (2, 10618223), (7, 3033778), (11, 1930586), (14, 1516889), (22, 965293), (37, 573958), (74, 286979), (77, 275798), (154, 137899), (259, 81994), (407, 52178), (518, 40997), (814, 26089), (2849, 7454), (3727, 5698)]