21713960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28571}}^1$

素因数の和:28601

約数の個数: 32

約数和(自身を含む): 51429600

約数和(自身を除く): 29715640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 28571, 57142, 114284, 142855, 228568, 285710, 542849, 571420, 1085698, 1142840, 2171396, 2714245, 4342792, 5428490, 10856980, 21713960]

約数ペア:

[(1, 21713960), (2, 10856980), (4, 5428490), (5, 4342792), (8, 2714245), (10, 2171396), (19, 1142840), (20, 1085698), (38, 571420), (40, 542849), (76, 285710), (95, 228568), (152, 142855), (190, 114284), (380, 57142), (760, 28571)]