21387558

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 23337402

約数列:

[1, 2, 3, 6, 29, 58, 87, 101, 174, 202, 303, 606, 1217, 2434, 2929, 3651, 5858, 7302, 8787, 17574, 35293, 70586, 105879, 122917, 211758, 245834, 368751, 737502, 3564593, 7129186, 10693779, 21387558]

約数ペア:

[(1, 21387558), (2, 10693779), (3, 7129186), (6, 3564593), (29, 737502), (58, 368751), (87, 245834), (101, 211758), (174, 122917), (202, 105879), (303, 70586), (606, 35293), (1217, 17574), (2434, 8787), (2929, 7302), (3651, 5858)]