21277346

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 35278848

約数和(自身を除く): 14001502

約数列:

[1, 2, 23, 31, 43, 46, 62, 86, 347, 694, 713, 989, 1333, 1426, 1978, 2666, 7981, 10757, 14921, 15962, 21514, 29842, 30659, 61318, 247411, 343183, 462551, 494822, 686366, 925102, 10638673, 21277346]

約数ペア:

[(1, 21277346), (2, 10638673), (23, 925102), (31, 686366), (43, 494822), (46, 462551), (62, 343183), (86, 247411), (347, 61318), (694, 30659), (713, 29842), (989, 21514), (1333, 15962), (1426, 14921), (1978, 10757), (2666, 7981)]