21197430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78509}}^1$

素因数の和:78525

約数の個数: 32

約数和(自身を含む): 56527200

約数和(自身を除く): 35329770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78509, 157018, 235527, 392545, 471054, 706581, 785090, 1177635, 1413162, 2119743, 2355270, 3532905, 4239486, 7065810, 10598715, 21197430]

約数ペア:

[(1, 21197430), (2, 10598715), (3, 7065810), (5, 4239486), (6, 3532905), (9, 2355270), (10, 2119743), (15, 1413162), (18, 1177635), (27, 785090), (30, 706581), (45, 471054), (54, 392545), (90, 235527), (135, 157018), (270, 78509)]