21828435

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 37048320

約数和(自身を除く): 15219885

約数列:

[1, 3, 5, 15, 19, 57, 95, 191, 285, 401, 573, 955, 1203, 2005, 2865, 3629, 6015, 7619, 10887, 18145, 22857, 38095, 54435, 76591, 114285, 229773, 382955, 1148865, 1455229, 4365687, 7276145, 21828435]

約数ペア:

[(1, 21828435), (3, 7276145), (5, 4365687), (15, 1455229), (19, 1148865), (57, 382955), (95, 229773), (191, 114285), (285, 76591), (401, 54435), (573, 38095), (955, 22857), (1203, 18145), (2005, 10887), (2865, 7619), (3629, 6015)]